Gundy Company expects to produce 1,207,200 units of Product XX in 2017. Monthly production is expected to range from 75,600 to 117,600 units. Budgeted variable manufacturing costs per unit are direct materials $3, direct labor $7, and overhead $10. Budgeted fixed manufacturing costs per unit for depreciation are $4 and for supervision are $1. Prepare a flexible manufacturing budget for the relevant range value using 21,000 unit increments.