Redfern Audio produces audio equipment including headphones. At the Campus Facility, it produces two wireless models, Standard and Enhanced, which differ both in the materials and components used and in the labor skill required. Data for the Campus Plant for the third quarter follow. Units produced Machine-hours Direct labor-hours Standard 24,600 Enhanced Total 8,200 32,800 14,760 18,450 Direct materials costs. Direct labor costs $ 492,000 295,200 9,840 18,450 $ 738,000 627,300 24,600 36,900 $ 1,230,000 922,500 856,080 $ 3,008,580 Manufacturing overhead Total costs Required: Compute the predetermined overhead rate assuming that Redfern Audio uses direct labor-hours to allocate overhead costs. Note: Round your answer to 2 decimal places. Predetermined overhead rate $ per direct labor hour