Sam's SnowBoards,com offers 7/6/3 chain discounts to many of its customers. The Ski Hut ordered 20 snow boards with a total list price of $10,920. a. What is the net price of the snow boards? Note: Do not round intermediate calculations. Round your final answer to the nearest cent. b. What was the trade discount amount? Note: Do not round intermediate calculations. Round your final answer to the nearest cent