To set up a discount function for an invoice in QuickBooks (QB), you'll need to toggle on the discount feature in the Accounts and Settings, Ruby.
Here's how:
- Go to the Gear icon in the top-right corner, then select Account and Settings.
- Navigate to the Sales tab.
- Under the Sales form content section, click the Pencil icon, then toggle ON the Discount option.
- Save your changes.
- Click Done.
After enabling the Discount feature, you should see a Discount field in the invoice window at the bottom.
In the Discount field, enter "10" to apply the 10 % discount to the total invoice amount. QuickBooks will automatically calculate the discounted amount and adjust the final total.

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