A company's flexible budget for the range of 42,000 units to 52.000 units of production showed variable overhead costs of $2 per unit and fixed overhead costs of $84,600. The company incurred total overhead costs of $174,840 while operating at a volume of 47,000 units. The total controllable cost variance is Multiple Choice $6,240 fevocable $6.240 unfavorable $3,760 favorable Multiple Choice $6,240 favorable O $6,240 unfavorable O $3,760 favorable. O $3,760 unfavorable. $10.000 favorable