Magraph Bbcc 1 Normal Duration # 4 Volume Based Casting: AaBbc AaBbci Aalbo 1 No Spac.. Heading1 Heading 2 Model Hish F Great P its Anal Sales in 10,000 16,000 National Inc, manufactures two models of CMD that can be used as cell phones, MPX, and digital camcades Direct materials Direct labor High F 338.00 $17.52 National uses a volume-based costing system to apply factory overhead based on direct labor dellars. The costs of each product were as follows: Great P $25.40 $13.14 Budget factory overhead: Engineering and Design Quality Control Machinery Miscellaneous Overhead Total 12,409 engineering hours 112,848 inspection hours 33,726 machine hours 26,400 direct labor bours 5404,71 269,304 59,618 234.904 National's controller had been researching activity-based costing and decided to switch to it. A special determined National's two products have the following budgeted activities: High F Great 989 Engineering and design hours Quality control inspection hours Machine hours Labor hours 5,043 20.236 12,000/ 14.400 What is the overhead application rate using the firm's volume-based costing system