help please with formulas

Question: Fogel Company expects to produce and sell 124,000 units for the period. The company's flexible budget for 124,000 units shows variable overhead costs of $173,600 and fixed overhead costs of $129,000. The company incurred actual total overhead costs of $261,800 while producing 117,000 units. (1) Compute the total variable overhead costs for the flexible budget when producing 117,000 units. $163,800 variable overhead budgeted (flexible) at 117,000 units (2) Compute the budgeted (flexible) total overhead when producing 117,000 units Total flexible overhead budget at 117,000 units $292,800 (3) Compute the controllable variance and identify it as favorable or unfavorable. CONTROLLABLE OVERHEAD VARIANCE -- $31,000F Favorable