Flawless cosmetic company manufactures and distributes several different products. the company currently uses a plantwide allocation method for allocating overhead at a rate of $6 per direct labor hour. loren is the department manager of the makeup department which produces products – concealer (c) and glow cream (gc). jennifer is the department manager of the hair care department which manufactures product – shampoo (s). the product costs (per case of 24 bottles) and other information are as follows: products c gc s direct materials $ 90.00 $ 80.00 $ 42.00 direct labor 50.00 30.00 15.00 overhead 20.00 25.00 17.00 $160.00 $135.00 $74.00 machine hours 5 3 4 number of cases (per year) 350 550 650 if flawless changes its allocation basis to machine hours, what is the total product cost per case for product gc? a. $166.80 b. $156.20 c. $150.90 d. $125.90