Discount Dishwashers Employees Of A Discount Appliance Store Receive An Additional 20% Off ?

Employees of a discount appliance store receive an additional 20% off ? - discount dishwashers

Save The employees of a device to receive an additional discount of 20% to the lowest price for an item. If an employee purchases a dishwasher 15% of the sale, pay the amount, if the dishwasher originally cost $ 450?

A. $ 280.90
B. $ 287
C. $ 292.50
D. $ 306
E. $ 333.89

Please show me the steps, I thank you ...