A car accessory is sold for 38 78 The store s markup based on cost is 53 a What is the cost of the car accessory b What is the rate of markup based on selling price a The cost of the car accessory is Round the final answer to the nearest cent as needed Round all intermediate values to six decimal places as needed b The rate of markup based on selling price is Round the final on two decimal pla Round all intormedioto volueo to oix dogimol plogo