diff --git a/src/pages/05_quotation/QuotationFormInfo.vue b/src/pages/05_quotation/QuotationFormInfo.vue
index bbd5881b..0664f46f 100644
--- a/src/pages/05_quotation/QuotationFormInfo.vue
+++ b/src/pages/05_quotation/QuotationFormInfo.vue
@@ -138,12 +138,15 @@ watch(
       const totalAmount = summaryPrice.value.finalPrice;
 
       if (newCount > oldCount) {
-        const installmentAmount = totalAmount / newCount;
+        // Calculate the base installment amount for all except the last installment
+        const installmentAmount = +(totalAmount / newCount).toFixed(2);
 
-        paySplit.value.forEach((payment, index) => {
+        // Update existing installments
+        paySplit.value.forEach((payment) => {
           payment.amount = installmentAmount;
         });
 
+        // Add new installments
         for (let i = oldCount; i < newCount; i++) {
           paySplit.value.push({
             no: i + 1,
@@ -152,13 +155,27 @@ watch(
           });
         }
       } else if (newCount < oldCount) {
+        // Remove extra installments
         paySplit.value.splice(newCount, oldCount - newCount);
 
-        const installmentAmount = totalAmount / newCount;
+        // Recalculate the base installment amount for remaining installments
+        const installmentAmount = +(totalAmount / newCount).toFixed(2);
         paySplit.value.forEach((payment) => {
           payment.amount = installmentAmount;
         });
       }
+
+      // Calculate the amount for the last installment
+      if (paySplit.value.length > 0) {
+        const totalPreviousPayments = paySplit.value
+          .slice(0, -1)
+          .reduce((sum, payment) => sum + payment.amount, 0);
+
+        // Set the last installment to cover the remaining balance, rounded to 2 decimal places
+        const remainingAmount = totalAmount - totalPreviousPayments;
+        paySplit.value[paySplit.value.length - 1].amount =
+          +remainingAmount.toFixed(2);
+      }
     }
   },
   { deep: true },
@@ -349,7 +366,7 @@ watch(
           :label="$t('quotation.callDueDate')"
         />
 
-        <q-select
+        <!-- <q-select
           outlined
           clearable
           use-input
@@ -421,7 +438,7 @@ watch(
               </q-item-section>
             </q-item>
           </template>
-        </q-select>
+        </q-select> -->
       </div>
     </div>
     <div