Myphone desires a profit equal to a 14% rate of return on invested assets of $598,400. a. Determine the amount of desired proft from the production and sale of 4,950 cell phones. \$ b. Determine the product cost per unit for the production of 4,950 of cell phones. Round your answer to the nearest whole dollar: $ per unit c. Determine the product cost markup percentage for cell phones. Round your answer to two decimal places. %