- 1). Launch Microsoft Money.
- 2). Create a new invoice or open an existing one.
- 3). Enter a new product or service, or click on an existing line item on the invoice.
- 4). Enter a value for the amount of the coupon in the "Discount" field.
- 5). Choose whether the value is a percentage of the item total or a discount.
- 6). Save the item with the discounted amount. Update the invoice and click "Enter".
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