Product Cost Method of Product Costing Variable costs per unit: Fixed opsts Factory onethead 5199,300 Selling and administrative eopenses 30,100 Myphane desires a profit equal to a 16% rate of return on invested asvets of $600,100. a. Determine the amount of desired prolit from the production and sale of 4,580 cell phones. b. Determine the product cost per unit for the production of 4,580 of cell phonich fhund your asower be the rearest wazde hilat. per unit c. Dotermine the product cost markup percentage for cen phories. Round your answer to twe secimal gitoel