Lancelot Corporation manufactures tennis gear and uses budgeted machine - hours to allocate variable manufacturing overhead. The following information relates to the company's manufacturing overhead data: Budgeted output units Budgeted machine - hours Budgeted variable manufacturing overhead costs for 3,000 units 3,000 units 15,000 hours $172,500 Actual output units produced Actual machine - hours used Actual variable manufacturing overhead costs 3,250 units 14,500 hours $230,000 What is the flexible - budget variance for variable manufacturing overhead? O A. $43,125 favorable O B. $57,500 unfavorable OC. $57,500 favorable OD. $43,125 unfavorable