Costello Corporation manufactures a single product. The standard cost per unit of product is shown below. Direct materials1 pound plastic at $7.17 per pound $ 7.17 Direct labor2.50 hours at $12.00 per hour 30.00 Variable manufacturing overhead 15.00 Fixed manufacturing overhead 15.00 Total standard cost per unit $67.17 The predetermined manufacturing overhead rate is $12 per direct labor hour ($30.00 2.50). It was computed from a master manufacturing overhead budget based on normal production of 12,750 direct labor hours (5,100 units) for the month. The master budget showed total variable costs of $76,500 ($6.00 per hour) and total fixed overhead costs of $76,500 ($6.00 per hour). Actual costs for October in producing 3,500 units were as follows. Direct materials (3,640 pounds) $ 26,572 Direct labor (8,610 hours) 105,817 Variable overhead 78,223 Fixed overhead 28,907 Total manufacturing costs $239,519 The purchasing department buys the quantities of raw materials that are expected to be used in production each month. Raw materials inventories, therefore, can be ignored.

Total materials variance?

Materials price variance?

Materials quantity variance?

Total labor variance?

Labor price variance?

Labor quantity variance?