at the beginning of the period, the assembly department budgeted direct labor of $110,000, direct materials of $170,000, and fixed factory overhead of $28,000 for 8,000 hours of production. the department actually completed 10,000 hours of production. what is the appropriate total budget for the department, assuming it uses flexible budgeting? round hourly rates to two decimal places. a.$288,000 b.$305,000 c.$350,000 d.$378,000