how to make credit memo?

HOW TO MAINTAIN CREDIT MEMO- SALES RETURN

Firstly we open Peachtree, then go to the task and click on the credit memo. The following window will appear like this:

After opening the credit memo the window will appear like this:

Then we will enter the customer id, date, and credit no, and then go to apply to invoice and select the PO no. and in it we will give the item, quantity, returned  description, and unit price, tax no and amount. Then we will save transaction by clicking on save button or by alt s. the window will appear like this: