Custom Engines Company has the following estimated costs for the upcoming year: Direct labor costs $62,900 Direct materials used $25,800 Salary of factory supervisor $37,400 Sales commissions $8700 Heating and lighting costs for factory $22,400 Depreciation on factory equipment $5500 Advertising expense $33,600 The company estimates that 2500 direct labor hours will be worked in the upcoming year, while 2000 machine hours will be used during the year. The predetermined manufacturing overhead rate per machine hour is closest to