Withis Products inc. uses the total cost concept of applying the cost-plus approach to product pricing. The costs of producing and selling 3 , O00 units of medical tablets are as follows: Winis Products cesires a profit equal to a 20% rate of return on invested assets of $237,510, a. Determine the amounk of desired piroft from the production and sale of 3,000 units. b. Determine the totat costs for the production of 3,000 units. Willis Products desires a pront equal to a 20% rate of return on invested assets of $237,510. a. Determine the amount of desired pront from the production and sale of 3,000 units. 5 b. Determine the total costs for the production of 3,000 units. Variabie 5 Fixed Total Determine the cost amount per unit for the production and sale of 3,000 units. per unit c. Determine the total cost markup percentage per unit. (rounded to one decimal place). d. Deturmine the seling price per unit Round to the nearest cent. poif unit