Smart Stream Inc. uses the product cost method of applying the cost-plus approach to product pricing. The costs of producing and selling 10,000 cell phones are as follows: Variable costs per unit: Selling and administrative expenses 140,000 Smart Stream desires a profit equal to a 30% return on invested assets of $1,200,000. a. Determine the amount of desired profit from the production and sale of 10,000 cell phones. $ b. Determine the product cost per unit for the production of 10,000 cell phones. X per unit c. Determine the product cost markup percentage for cell phones. x \% d netermine the colline nrire of rell nhones Feedback Check My Work a. Multiply the desired profit percentage by the desired amount (invested assets). b. Divide the total manufacturing (variable and fixed) costs by the number of units produced. c. Divide the desired profit plus the total selling and administrative expenses by the total manufacturing cost. d. Add cost (b) and markup [(c)(b)]