diff --git a/db/sqlc/store_test.go b/db/sqlc/store_test.go
index 75b35e4..708668e 100644
--- a/db/sqlc/store_test.go
+++ b/db/sqlc/store_test.go
@@ -96,12 +96,10 @@ func TestCreateSaleOrder(t *testing.T) {
 	saleProducts1Quantity := util.RandomFloat(1, 99)
 	saleProducts1Price := util.RandomFloat(999, 9999)
 	saleProducts1SubTotal := saleProducts1Price * saleProducts1Quantity
-	saleProducts1Profit := saleProducts1SubTotal - saleProducts1Quantity*product1.SellingPrice
 
 	saleProducts2Quantity := util.RandomFloat(1, 99)
 	saleProducts2Price := util.RandomFloat(999, 9999)
 	saleProducts2SubTotal := saleProducts2Price * saleProducts2Quantity
-	saleProducts2Profit := saleProducts2SubTotal - saleProducts2Quantity*product2.SellingPrice
 
 	saleProducts_1 := SaleOrderProduct{
 		ProductID:   product1.ID,
@@ -109,7 +107,6 @@ func TestCreateSaleOrder(t *testing.T) {
 		Sub_total:   saleProducts1SubTotal,
 		Price:       saleProducts1Price,
 		ProductName: product1.Name,
-		Profit:      saleProducts1Profit,
 	}
 
 	saleProducts_2 := SaleOrderProduct{
@@ -118,7 +115,6 @@ func TestCreateSaleOrder(t *testing.T) {
 		Sub_total:   saleProducts2SubTotal,
 		Price:       saleProducts2Price,
 		ProductName: product2.Name,
-		Profit:      saleProducts2Profit,
 	}
 
 	products = append(products, saleProducts_1, saleProducts_2)
diff --git a/db/sqlc/tx_sale_order.go b/db/sqlc/tx_sale_order.go
index 58fb91d..a13542f 100644
--- a/db/sqlc/tx_sale_order.go
+++ b/db/sqlc/tx_sale_order.go
@@ -15,7 +15,6 @@ type SaleOrderProduct struct {
 	Quantity    float64   `json:"quantity"`
 	Sub_total   float64   `json:"sub_total"`
 	Price       float64   `json:"price"`
-	Profit      float64   `json:"profit"`
 }
 
 type SaleOrderTxParams struct {
@@ -60,6 +59,13 @@ func (store *SQLStore) SaleOrderTx(ctx context.Context, arg SaleOrderTxParams) (
 		}
 
 		for i := 0; i < len(arg.Products); i++ {
+			product, err := q.GetStockForUpdateStock(ctx, arg.Products[i].ProductID)
+			if err != nil {
+				return err
+			}
+
+			profit := arg.Products[i].Price - product.SellingPrice
+
 			saleOrderDetail, err := q.CreateSaleOrderDetail(ctx, CreateSaleOrderDetailParams{
 				SaleOrderID:  result.SaleOrder.ID,
 				ProductID:    arg.Products[i].ProductID,
@@ -67,7 +73,7 @@ func (store *SQLStore) SaleOrderTx(ctx context.Context, arg SaleOrderTxParams) (
 				Quantity:     arg.Products[i].Quantity,
 				SubTotal:     arg.Products[i].Sub_total,
 				ProductPrice: arg.Products[i].Price,
-				Profit:       arg.Products[i].Profit,
+				Profit:       profit,
 			})
 
 			if err != nil {
@@ -76,11 +82,6 @@ func (store *SQLStore) SaleOrderTx(ctx context.Context, arg SaleOrderTxParams) (
 
 			result.SaleOrderDetail = append(result.SaleOrderDetail, saleOrderDetail)
 
-			product, err := q.GetStockForUpdateStock(ctx, arg.Products[i].ProductID)
-			if err != nil {
-				return err
-			}
-
 			err = q.UpdateProductStock(ctx, UpdateProductStockParams{
 				ID:    product.ID,
 				Stock: product.Stock - arg.Products[i].Quantity,