A sports store purchased tennis racquets for $60.05 less 42% for purchasing more than 100 items, and a further 36% was reduced for purchasing the racquets in October. The racquets were sold to customers for $55.39. (a) What is the cost of each racquet? (b) What is the markup as a percent of cost? (c) What is the markup as a percent of selling price? (a) The cost of each racquet is $ (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.) (b) The markup as a percent of cost is %. (Round the final answer to two decimal places as needed. Round all intermediate values to six decimal places as needed.) (c) The markup as a percent of selling price is %. (Round the final answer to two decimal places as needed. Round all intermediate values to six decimal places as needed.)