Thread Company is preparing its manufacturing o Units to be produced (by quarters): 10,000, 12,000, 14,000, 16,000. Direct labor: Time is 1 hour per unit. maintenance $0.50. Fixed overhead costs per quarter: Supervisory salaries $42,000; depreciation $16,000; verhead budget for 2016. Relevant data consist 11) of the following ble overhead costs per direct labor hour: Indirect materials $0.80; indirect labor $1.20, a maintenance $12,000