These Discounts will be reflected at Sales module while purchasing a product, making an invoice etc.
Go to Global Settings–> Discounts–> Add New
Discounts List page:
Create a New Discount in this page where the fields to be filled are:
Name: Name of the Discount.
Rate: Discount rate value.
Rate Type: Rate type like Percentage/Value.
Description: Brief description on Discount.
View button allows to see all the Discount details.
By clicking on view, we can monitor the respective Discount detailed history on various modules like Invoices, Quotes, Recurring Invoices and Purchase Orders.