National Inc. manufactures two models of CMD that can be used as cell phones, MPX, and digital camcorders. Model Annual Sales in Units 11,200 17,200 High F Great P National uses a volume-based costing system to apply factory overhead based on direct labor dollars. The unit prime costs of each product were as follows: Direct materials Direct labor High F $39.20 $18.80 Great P $26.60 $14.40 Budget factory overhead: Engineering and Design Quality Control Machinery Miscellaneous Overhead Total 2,640 engineering hours 13,070 inspection hours 33,950 machine hours 26,630 direct labor hours $ 462,000 324,000 642,960 159, 120 $1,588,080 National's controller had been researching activity-based costing and decided to switch to it. A special study determined National's two products have the following budgeted activities: Engineering and design hours Quality control inspection hours Machine hours Labor hours High F Great P 1,080 1,560 5,760 7,310 20,400 13,550 12,120 14,510 Using activity-based costing, total overhead per unit of the High F model is: (Rounded to the nearest cent.) $46.37. $49.90. $65.15. $70.58. $175.00