Product Cost Method of Product Costing Voice Com, Inc., uses the product cost method of applying the cost-plus approach to product pricing. The costs of producing and selling 4,770 units of cell phones are as follows: Variable costs: Direct materials $66 per unit Fixed costs: Factory overhead Selling and admin. exp. $200,200 71,300 Direct labor Factory overhead 23 Selling and admin. exp. Total variable cost per unit $141 per unit Voice Com desires a profit equal to a 13% rate of return on invested assets of $600,900. a. Determine the amount of desired profit from the production and sale of 4,770 units of cell phones. b. Determine the product cost per unit for the production of 4,770 of cell phones. If required, round your answer to nearest dollar. per unit c. Determine the product cost markup percentage (rounded to two decimal places) for cell phones. d. Determine the selling price of cell phones. Round to the nearest dollar. Total Cost Markup per unit per unit per unit Selling price