diff --git a/tienda_ilusion/don_confiao/api_views.py b/tienda_ilusion/don_confiao/api_views.py
index d8c6ffa..ef0d617 100644
--- a/tienda_ilusion/don_confiao/api_views.py
+++ b/tienda_ilusion/don_confiao/api_views.py
@@ -14,7 +14,12 @@ class SaleView(viewsets.ModelViewSet):
         customer = Customer.objects.get(pk=data['customer'])
         date = data['date']
         lines = data['saleline_set']
-        sale = Sale.objects.create(customer=customer, date=date)
+        payment_method = data['payment_method']
+        sale = Sale.objects.create(
+            customer=customer,
+            date=date,
+            payment_method=payment_method
+        )
 
         for line in lines:
             product = Product.objects.get(pk=line['product'])
diff --git a/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/CasherModal.vue b/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/CasherModal.vue
new file mode 100644
index 0000000..9a58b16
--- /dev/null
+++ b/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/CasherModal.vue
@@ -0,0 +1,58 @@
+<template>
+  <v-dialog v-model="dialog" max-width="400">
+    <v-card>
+      <v-card-title>Calcular Devuelta</v-card-title>
+      <v-card-text>
+        <v-text-field
+          v-model.number="purchase"
+          label="Total de la compra"
+          type="number"
+          prefix="$"
+          readonly
+        ></v-text-field>
+        <v-text-field
+          v-model.number="money"
+          label="Dinero"
+          type="number"
+          prefix="$"
+        ></v-text-field>
+        <v-text-field
+          v-model.number="change_cash"
+          label="Devuelta"
+          type="number"
+          prefix="$"
+          readonly
+        ></v-text-field>
+      </v-card-text>
+      <v-card-actions>
+        <v-spacer></v-spacer>
+        <v-btn text @click="dialog = false">Cerrar</v-btn>
+      </v-card-actions>
+    </v-card>
+  </v-dialog>
+</template>
+
+<script>
+  export default {
+    props: {
+      total_purchase: {
+        type: Number,
+        required: true
+      }
+    },
+    data() {
+      return {
+        dialog: false,
+        money: null,
+      }
+    },
+    computed: {
+      purchase() {
+        return this.total_purchase
+      },
+      change_cash() {
+        return (this.money || 0) - this.total_purchase
+      },
+    },
+  }
+</script>
diff --git a/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/Purchase.vue b/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/Purchase.vue
index 389d073..65bca7b 100644
--- a/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/Purchase.vue
+++ b/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/Purchase.vue
@@ -116,18 +116,31 @@
           readonly
           persistent-placeholder="true"
         ></v-text-field>
+        <v-container v-if="calculateTotal > 0">
+          <v-select
+            :items="payment_methods"
+            v-model="purchase.payment_method"
+            item-title="text"
+            item-value="value"
+            label="Pago en"
+          ></v-select>
+          <v-btn @click="openCasherModal" v-if="purchase.payment_method === 'CASH'">Calcular Devuelta</v-btn>
+          <CasherModal :total_purchase="calculateTotal" ref="casherModal"</CasherModal>
+        </v-container>
         <v-btn @click="submit" color="green">Comprar</v-btn>
-      </v-form>
-    </v-container>
+  </v-form>
+</v-container>
 </template>
 
 <script>
- import CustomerForm from './CreateCustomerModal.vue';
+  import CustomerForm from './CreateCustomerModal.vue';
+  import CasherModal from './CasherModal.vue';
 
  export default {
    name: 'DonConfiao',
    components: {
-     CustomerForm
+     CustomerForm,
+     CasherModal,
    },
    props: {
      msg: String
@@ -137,10 +150,12 @@
        valid: false,
        client_search: '',
        product_search: '',
+       payment_methods: null,
        purchase: {
          date: this.getCurrentDate(),
          customer: null,
          notes: '',
+         payment_method: null,
          saleline_set: [{product:'', unit_price: 0, quantity: 0, unit: ''}],
        },
        rules: {
@@ -157,6 +172,7 @@
    created() {
      this.fetchClients();
      this.fetchProducts();
+     this.fetchPaymentMethods();
    },
    watch: {
      group () {
@@ -192,6 +208,9 @@
      openModal() {
       this.$refs.customerModal.openModal();
      },
+     openCasherModal() {
+       this.$refs.casherModal.dialog = true
+     },
      getCurrentDate() {
        const today = new Date();
        const yyyy = today.getFullYear();
@@ -225,13 +244,22 @@
        fetch('/don_confiao/api/products/')
          .then(response => response.json())
          .then(data => {
-           console.log(data);
            this.products = data;
          })
          .catch(error => {
            console.error(error);
          });
      },
+     fetchPaymentMethods() {
+       fetch('/don_confiao/payment_methods/all/select_format')
+         .then(response => response.json())
+         .then(data => {
+           this.payment_methods = data;
+         })
+         .catch(error => {
+           console.error(error);
+         });
+     },
      addLine() {
        this.purchase.saleline_set.push({ product: '', unit_price: 0, quantity:0, measuring_unit: ''});
      },
diff --git a/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/SummaryPurchase.vue b/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/SummaryPurchase.vue
index 3259d8d..1b3bb28 100644
--- a/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/SummaryPurchase.vue
+++ b/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/SummaryPurchase.vue
@@ -23,6 +23,12 @@
             <v-list-item-subtitle v-if="purchase.customer">{{ purchase.customer.name }}</v-list-item-subtitle>
           </v-list-item-content>
         </v-list-item>
+        <v-list-item>
+          <v-list-item-content>
+            <v-list-item-title>Pagado en:</v-list-item-title>
+            <v-list-item-subtitle v-if="purchase.payment_method">{{ purchase.payment_method }}</v-list-item-subtitle>
+          </v-list-item-content>
+        </v-list-item>
         <v-list-item>
           <v-list-item-content>
             <v-list-item-title>Total:</v-list-item-title>
diff --git a/tienda_ilusion/don_confiao/migrations/0033_sale_payment_method.py b/tienda_ilusion/don_confiao/migrations/0033_sale_payment_method.py
new file mode 100644
index 0000000..8717add
--- /dev/null
+++ b/tienda_ilusion/don_confiao/migrations/0033_sale_payment_method.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.0.6 on 2024-11-09 17:55
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('don_confiao', '0032_customer_address'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='sale',
+            name='payment_method',
+            field=models.CharField(choices=[('CASH', 'Cash'), ('CONFIAR', 'Confiar'), ('BANCOLOMBIA', 'Bancolombia')], default='CASH', max_length=30),
+        ),
+    ]
diff --git a/tienda_ilusion/don_confiao/models.py b/tienda_ilusion/don_confiao/models.py
index b82f9dd..ff21a72 100644
--- a/tienda_ilusion/don_confiao/models.py
+++ b/tienda_ilusion/don_confiao/models.py
@@ -6,6 +6,12 @@ from decimal import Decimal
 from datetime import datetime
 
 
+class PaymentMethods(models.TextChoices):
+    CASH = 'CASH', _('Efectivo')
+    CONFIAR = 'CONFIAR', _('Confiar')
+    BANCOLOMBIA = 'BANCOLOMBIA', _('Bancolombia')
+
+
 class Customer(models.Model):
     name = models.CharField(max_length=100, default=None, null=False, blank=False)
     address = models.CharField(max_length=100, null=True, blank=True)
@@ -61,6 +67,13 @@ class Sale(models.Model):
     date = models.DateField("Date")
     phone = models.CharField(max_length=13, null=True, blank=True)
     description = models.CharField(max_length=255, null=True, blank=True)
+    payment_method = models.CharField(
+        max_length=30,
+        choices=PaymentMethods.choices,
+        default=PaymentMethods.CASH,
+        blank=False,
+        null=False
+    )
 
     def __str__(self):
         return f"{self.date} {self.customer}"
@@ -69,6 +82,10 @@ class Sale(models.Model):
         lines = self.saleline_set.all()
         return sum([l.quantity * l.unit_price for l in lines])
 
+    def clean(self):
+        if self.payment_method not in PaymentMethods.values:
+            raise ValidationError({'payment_method': "Invalid payment method"})
+
     @classmethod
     def sale_header_csv(cls):
         sale_header_csv = [field.name for field in cls._meta.fields]
@@ -88,12 +105,6 @@ class SaleLine(models.Model):
         return f"{self.sale} - {self.product}"
 
 
-class PaymentMethods(models.TextChoices):
-    CASH = 'CASH', _('Cash')
-    CONFIAR = 'CONFIAR', _('Confiar')
-    BANCOLOMBIA = 'BANCOLOMBIA', _('Bancolombia')
-
-
 class ReconciliationJarSummary():
     def __init__(self, payments):
         self._validate_payments(payments)
diff --git a/tienda_ilusion/don_confiao/tests/test_api.py b/tienda_ilusion/don_confiao/tests/test_api.py
index 99c923e..da9910b 100644
--- a/tienda_ilusion/don_confiao/tests/test_api.py
+++ b/tienda_ilusion/don_confiao/tests/test_api.py
@@ -50,6 +50,7 @@ class TestAPI(APITestCase):
         data = {
             'customer': self.customer.id,
             'date': '2024-09-02',
+            'payment_method': 'CASH',
             'saleline_set': [
                 {'product': self.product.id, 'quantity': 2, 'unit_price': 3000},
                 {'product': self.product.id, 'quantity': 3, 'unit_price': 5000}
diff --git a/tienda_ilusion/don_confiao/tests/test_payment_methods.py b/tienda_ilusion/don_confiao/tests/test_payment_methods.py
new file mode 100644
index 0000000..4fa504d
--- /dev/null
+++ b/tienda_ilusion/don_confiao/tests/test_payment_methods.py
@@ -0,0 +1,23 @@
+from django.test import Client, TestCase
+
+# from ..models import PaymentMethods
+
+class TestPaymentMethods(TestCase):
+    def setUp(self):
+        self.client = Client()
+
+    def test_keys_in_payment_methods_to_select(self):
+        response = self.client.get(
+            '/don_confiao/payment_methods/all/select_format'
+        )
+        methods = response.json()
+        for method in methods:
+            self.assertEqual(set(method.keys()), {'text', 'value'})
+
+    def test_basic_payment_methods_to_select(self):
+        methods = self.client.get(
+            '/don_confiao/payment_methods/all/select_format'
+        ).json()
+        self.assertIn('CASH', [method.get('value') for method in methods])
+        self.assertIn('CONFIAR', [method.get('value') for method in methods])
+        self.assertIn('BANCOLOMBIA', [method.get('value') for method in methods])
diff --git a/tienda_ilusion/don_confiao/tests/tests.py b/tienda_ilusion/don_confiao/tests/tests.py
index f50839d..672d3b4 100644
--- a/tienda_ilusion/don_confiao/tests/tests.py
+++ b/tienda_ilusion/don_confiao/tests/tests.py
@@ -1,4 +1,6 @@
 from django.test import TestCase
+from django.core.exceptions import ValidationError
+
 from ..models import Customer, Product, Sale, SaleLine
 
 
@@ -24,6 +26,17 @@ class ConfiaoTest(TestCase):
 
         self.assertIsInstance(sale, Sale)
 
+    def test_can_create_sale_without_payment_method(self):
+        sale = Sale()
+        sale.customer = self.customer
+        sale.date = "2024-06-22"
+        sale.phone = '666666666'
+        sale.description = "Description"
+        sale.payment_method = ''
+
+        with self.assertRaises(ValidationError):
+            sale.full_clean()
+
     def test_create_sale_line(self):
         sale = Sale()
         sale.customer = self.customer
diff --git a/tienda_ilusion/don_confiao/tests/tests_purchase_form.py b/tienda_ilusion/don_confiao/tests/tests_purchase_form.py
index 656810e..7cfd236 100644
--- a/tienda_ilusion/don_confiao/tests/tests_purchase_form.py
+++ b/tienda_ilusion/don_confiao/tests/tests_purchase_form.py
@@ -19,6 +19,7 @@ class PurchaseFormTest(TestCase):
             "csrfmiddlewaretoken": _csrf_token,
             "customer": self.customer.id,
             "date": "2024-08-03",
+            "payment_method": "CASH",
             "phone": "sfasfd",
             "description": "dasdadad",
             "saleline_set-TOTAL_FORMS": "1",
diff --git a/tienda_ilusion/don_confiao/urls.py b/tienda_ilusion/don_confiao/urls.py
index 7469a9a..0f7dc41 100644
--- a/tienda_ilusion/don_confiao/urls.py
+++ b/tienda_ilusion/don_confiao/urls.py
@@ -27,5 +27,6 @@ urlpatterns = [
     path("cuadres", views.reconciliate_jar, name="reconciliations"),
     path("resumen_compra/<int:id>", views.purchase_summary, name="purchase_summary"),
     path("resumen_compra_json/<int:id>", views.purchase_json_summary, name="purchase_json_summary"),
+    path("payment_methods/all/select_format", views.payment_methods_to_select, name="payment_methods_to_select"),
     path('api/', include(router.urls)),
 ]
diff --git a/tienda_ilusion/don_confiao/views.py b/tienda_ilusion/don_confiao/views.py
index abe8a49..d332065 100644
--- a/tienda_ilusion/don_confiao/views.py
+++ b/tienda_ilusion/don_confiao/views.py
@@ -164,11 +164,20 @@ def purchase_json_summary(request, id):
             'name': purchase.customer.name,
             # 'phone': _mask_phone(purchase.customer.phone)
         },
+        'payment_method': purchase.payment_method,
         'set_lines': lines,
     }
     return JsonResponse(to_response, safe=False)
 
 
+def payment_methods_to_select(request):
+    methods = [
+        {'text': choice[1], 'value': choice[0]}
+        for choice in PaymentMethods.choices
+    ]
+    return JsonResponse(methods, safe=False)
+
+
 def _mask_phone(phone):
     digits = str(phone)[-3:] if phone else " " * 3
     return "X" * 7 + digits