I need help doing this exercise.

Gundy Company expects to produce 1,285,800 units of Product XX in 2012. Monthly production is expected to range from 82,750 to 112,930 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 $3. Prepare a flexible manufacturing budget for the relevant range value using 15,090 unit increments