Alka Corporation manufactures industrial-sized gas furnaces and uses budgeted machine-hours to allocate variable manufacturing overhead. The following information pertains to the company's manufacturing overhead data: Budgeted Output Units: 29,000 Budgeted Machine-Hours: 10,150 Budgeted Variable Manufacturing Overhead Costs For 10,150 hours: $324,800 Actual Output Units Produced: 31,000 Actual Machine-Hours Used: 14,400 Actual Variable Manufacturing Overhead Costs: $333,250 The budgeted variable overhead cost rate per output unit is closest to: O a. $11.20 b. $11.70 c. $11.75 d. $11.00