What is the best way to handle the below question:

Sorry for the question is not completed. My question is if we don't want to bother our customer to change the payment. What is the best way to close this invoice & Payment?

Thank you for your help. 

Hello Q-Ginger. It's great to have you reach out to us here. QuickBooks is a versatile program that makes it simple for you to manage your invoices and payments. Based on what you've described, I recommend receiving the payment using the steps below:

1. From the QuickBooks Home page or the Customers menu, click on Receive Payment.
2. In the Received From drop-down, click on the customer's name.
3. Enter the Amount received.
4. Make sure the right date is showing, then select the Payment method.
5. Click on the invoice you'd like to pay.
6. Hit Save & Close.

Give this a try and let me know how you make out. I'll be one message away in case you have other questions. 

Hello @Q-Ginger ,

This is what I would do:

1. Create a secondary invoice, appending the invoice # with a "-2" or "-b" or similar.  Use the same items as you used on your initial invoice, but entering only the difference in CAD$ that you received as exchange.  e.g. Your original invoice was for $1,000 CAD$.  The customer paid in US$ which ended up being $1,300.00 CAD$.  Your second invoice would be for $300, same customer name, etc.
2. Receive Payment for the total amount of converted CAD$ you used, and apply to both the invoices.

The higher amount you received has to be included in income, no matter which way you choose to do it.  My preference is the above way, as it allocates the extra amount received to the same income account you used for the initial invoice.

Some people, however, might want to see this extra income in a separate account, such as "Other Income" or "US Exchange Income".  These can also be put on a sales invoice, as long as you have items set up which are connected to the appropriate GL accounts.

Good luck!