Costello Corporation manufactures a single product. The standard cost per unit of product is shown below. Direct materials—2 pound plastic at $6.88 per pound $ 13.76 Direct labor—1.50 hours at $12.00 per hour 18.00 Variable manufacturing overhead 8.25 Fixed manufacturing overhead 9.75 Total standard cost per unit $49.76

Costello Corporation manufactures a single product. The standard cost per unit of product is shown below.

Direct materials—2 pound plastic at $6.88 per pound		$ 13.76
Direct labor—1.50 hours at $12.00 per hour		18.00
Variable manufacturing overhead		8.25
Fixed manufacturing overhead		9.75
Total standard cost per unit		$49.76

The predetermined manufacturing overhead rate is $12 per direct labor hour ($18.00 ÷ 1.50). It was computed from a master manufacturing overhead budget based on normal production of 7,950 direct labor hours (5,300 units) for the month. The master budget showed total variable costs of $43,725 ($5.50 per hour) and total fixed overhead costs of $51,675 ($6.50 per hour). Actual costs for October in producing 3,800 units were as follows.

Direct materials (7,770 pounds)		$ 55,478
Direct labor (5,580 hours)		68,578
Variable overhead		52,187
Fixed overhead		18,203
Total manufacturing costs		$194,446

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.

(a) Compute all of the materials and labor variances. (Round answers to 0 decimal places, e.g. 125.)

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