Set up discounts

Before anyone can give a discount, two things are set up:

With one discount type, it is used for every discount. With two or more, the cashier chooses the Discount type on the till's checkout and on the invoice's Summary.

Up to the limit, the person gives discounts on their own. Above it, the sale is not saved until a manager approves it with their own sign-in (see When a sale needs a manager's approval). The limit applies at the till, on invoices and on sales orders, and it is checked two ways: