** Use the following information to answer the next five (5) questions *** National Inc. manufactures two models, High E and Great P, for cellphones in 20x1. High F Great P Annual Sales (in units) 10,000 15,000 Direct materials ($ per unit) $ 38.00 $ 25.50 Direct labor ($ per unit) $ 17.50 $ 13.00 The total budget factory overheads for National Inc. were: Designing and Graphing: 400,000 Quality Control 250,000 Machinery 540,000 Miscellaneous Overhead 150,000 Total: $ 1,340,000 There were also possible cost drivers and their total of hours used by Nationals. 30,000. 2,000. (1) (2) (3) (4) Machine hours: Computer coding hours: Inspection hours: Direct Labor hours: 10,000. 50,000 The two models had the following hours used. High F Great P Machine hours 5,000 10,000 Computer coding hours 400 200 Inspection hours 2,000 500 Direct Labor hours 15,000 5,000 What is the most possible cost (activity) drive for the activity of Quality Control? Select one: O a. Computer coding hours. O b. Direct labor hours. C. Inspection hours. O d. Machine hours