Digtal Devices plans to stop carrying the Casio FC 100 calculator it normally maries up the calculate from the $76.30 wholesale cost to the regular selling price of $115.95 e. What is the normal rate of markup on selling price? (Do not round intermediate calculations and round final answer to 1 decimal place.) Rate of markup b. What rate of markdown can be advertised if Digital Devices wishes to clear out the stock at the wholesale cost? (Do not round intermediate calculations and round final answer to 1 decimal place. Rate of markdown