Really Great Corporation manufactures industrial-sized landscaping trailers and uses budgeted machine-hours to allocate variable manufacturing overhead. The following information pertains to the company's manufacturing overhead data: Budgeted output units 40,000 units Budgeted machine-hours 10,000 hours Budgeted variable manufacturing overhead costs for 40,000 units $310,000 Actual output units produced 36,500 units Actual machine-hours used 14,600 hours Actual variable manufacturing overhead costs $350,400 What is the budgeted variable overhead cost rate per output unit? A. $31.00 B. $7.75 C. $12.40 D. $9.60