Total		Per Set of Covers
Direct materials	$	42,560	$	22.40
Direct labor	$	51,300		27.00
Variable manufacturing overhead (based on direct labor-hours)	$	6,840		3.60
			$	53.00

During August, the factory worked only 2,800 direct labor-hours and produced 2,000 sets of covers. The following actual costs were recorded during the month:

	Total		Per Set of Covers
Direct materials (12,000 yards)	$	45,600	$	22.80
Direct labor	$	49,000		24.50
Variable manufacturing overhead	$	7,000		3.50
			$	50.80

At standard, each set of covers should require 5.6 yards of material. All of the materials purchased during the month were used in production.

Required:

1. Compute the materials price and quantity variances for August.

2. Compute the labor rate and efficiency variances for August.

3. Compute the variable overhead rate and efficiency variances for August.