Variable manufacturing overhead cost is allocated to each suit on the basis of budgeted direct manufacturing labor-hours per suit. For June 2020, each suit is budgeted to take 4 labor-hours. Budgeted variable manufacturing overhead cost per labor-hour is $10. The budgeted number of suits to be manufactured in June 2020 is 1,120 Actual variable manufacturing overhead costs in June 2020 were $40,680 for 1,180 suits started and completed. There were no beginning or ending inventories of suits. Actual direct manufacturing labor-hours for June were 4,520 . Regal Clothing is a manufacturer of designer suits. The cost of each suit is the sum of three variable costs (direct naterial costs, direct manufacturing labor costs, and manufacturing overhead costs) and one fixed-cost category manufacturing overhead costs). (Click the icon to view additional information.) Requirements 1. Compute the flexible-budget variance, the spending variance, and the efficiency variance for variable manufacturing overhead. 2. Comment on the results