National Inc. manufactures two models of CMD that can be used as cell phones, MPX, and digital camcorders. Model Annual Sales in Units High F 10,000 Great P 16,000National 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: High F Great P Direct materials $ 38.00 $ 25.40 Direct labor $ 17.52 $ 13.14 Budget factory overhead: Engineering and Design 2,409 engineering hours $ 404,712 Quality Control 12,848 inspection hours 269,808 Machinery 33,726 machine hours 539,616 Miscellaneous Overhead 26,400 direct labor hours 134,904 Total $ 1,349,040 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: High F Great P Engineering and design hours 969 1,440 Quality control inspection hours 5,648 7,200 Machine hours 20,286 13,440 Labor hours 12,000 14,400 Using activity-based costing, applied quality control factory overhead for the High F model per unit is: (Rounded to the nearest cent.) $11.86. $16.28. $32.46. $6.13. $66.73.