Myphone, inc. uses the prodoct cost method of applying the cost-plus approach to product pricing. The costs of producing and selling 5,280 cell phones are as followsi Myphone desires a profit equal to a 16% rate of return on invested assets of $598,300. a. Determine the amount of desired profit from the production and sale of 5,280 cell phones. b. Determine the product cost per unit for the production of 5,280 of cell phones. Raund your answer to the nearest whole toliar. per unit c. Determine the product cost markup percentage for cell phones. Round your answer to two decimat places