Rounding up on bills

Thank you for your reply. I'll guide you on how to apply the credit to your next phone bill, Rachel.

Since you and your partner want to use the credit for the next bill, you have two options for this scenario. First, you can input the round-up amount when recording your phone bill payment.

Here's how:

1. Go to the Vendors menu, then click on Pay Bills.
2. Select the vendor bill, then enter the payment amount under Amt To Pay.
3. Tap on Pay Select Bills.

The second option is to record a bill credit of the excess amount.

1. Click on Enter Bills from the Suppliers menu.
2. Select the Credit radio button to account for the return of goods.
3. Enter the Supplier name.
4. Fill in the details.
5. Save the transaction.

In either of that methods, a credit reflects on your vendor balance which you can apply to your future bill. 

To apply the amount to your future or open bill:

1. Select Pay Bills under Vendors.
2. Locate the pending bill.
3. Tap on Set Credits at the lower part.
4. Use the available credit under the Credits section.
5. Click Done, then Pay Select Bills to complete the process.

On the other hand, you may review the resources from this link for more hints while handling scenarios related to vendor credits/refunds: Record a supplier refund in QuickBooks Desktop.

I'm always available to help if you have any other questions while working with your vendor entries. Just leave a comment below. Have a good one!