6-39. Predetermined Overhead Rates (LO 6-4) Tiger Furnishings produces two models of cabinets for home theater components, the Basic and the Dominator. Data on operations and costs for March follow: Basic Dominator Total 1,250 7,000 250 Machine-hours Direct labor-hours . .. Direct labor costs Manufacturing overhead costs.. 5,000 175,000 $288,750 Total costs. Required Compute the predetermined overhead rate assuming that Tiger Furnishings uses direct labor-hours to allocate overhead costs