Cathy's Crafty Crafts is planning to run a promotion for their best customers. For a limited time, these customers will receive a $20\%$ discount on selected products. Although Cathy is able to see the price rule in the dropdown, it is not automatically applying to her customers.

What could be the cause?

The customers are tax exempt

The Price rules feature is not turned on

The price rule was not assigned to those customers

The price rule was not applied to the product