diff --git a/prisma/migrations/20241003045028_remove_unused_field/migration.sql b/prisma/migrations/20241003045028_remove_unused_field/migration.sql
new file mode 100644
index 0000000..90f9942
--- /dev/null
+++ b/prisma/migrations/20241003045028_remove_unused_field/migration.sql
@@ -0,0 +1,8 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `vatExcluded` on the `Quotation` table. All the data in the column will be lost.
+
+*/
+-- AlterTable
+ALTER TABLE "Quotation" DROP COLUMN "vatExcluded";
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 63a588e..e3e5f3c 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -1053,7 +1053,6 @@ model Quotation {
   totalPrice    Float
   totalDiscount Float
   vat           Float
-  vatExcluded   Float
   finalPrice    Float
 
   createdAt       DateTime @default(now())
diff --git a/src/controllers/05-quotation-controller.ts b/src/controllers/05-quotation-controller.ts
index 4505c80..a8095af 100644
--- a/src/controllers/05-quotation-controller.ts
+++ b/src/controllers/05-quotation-controller.ts
@@ -339,8 +339,8 @@ export class QuotationController extends Controller {
       const price = list.reduce(
         (a, c) => {
           const price = c.pricePerUnit * c.amount;
-          const discount = price * c.discount;
-          const vat = (price - discount) * c.vat;
+          const discount = Math.round(price * c.discount * 100) / 100;
+          const vat = Math.round((price - discount) * c.vat * 100) / 100;
 
           a.totalPrice += price;
           a.totalDiscount += discount;
@@ -353,7 +353,6 @@ export class QuotationController extends Controller {
           totalPrice: 0,
           totalDiscount: 0,
           vat: 0,
-          vatExcluded: 0,
           finalPrice: 0,
         },
       );
@@ -547,7 +546,6 @@ export class QuotationController extends Controller {
           totalPrice: 0,
           totalDiscount: 0,
           vat: 0,
-          vatExcluded: 0,
           finalPrice: 0,
         },
       );