set range numbers
How to set a range numbers to make a discount.
Ex: I want do set a discount of 3 dollars if a customer pays above 20 dollars , and set a discount of 4 dollars if a customer pays 30 dollars and discount of 5 dollars if a customer pays more than 40 dollars
Ex: I want do set a discount of 3 dollars if a customer pays above 20 dollars , and set a discount of 4 dollars if a customer pays 30 dollars and discount of 5 dollars if a customer pays more than 40 dollars
