The company produces and sells white wine. The following data concern the three varieties of white wine the company currently offers. Sales data for August are given as follows.

	Sauvignon Blanc				Chardonnay				Riesling			Total
Budgeted selling price	$	10.46			$	11.71			$	8.41
Budgeted variable cost	$	7.65			$	9.20			$	6.00
Budgeted selling quantity		19,500				7,700				12,300			39,500
Actual selling price	$	10.55			$	6.55			$	8.55
Actual variable cost	$	7.25			$	9.05			$	6.50
Actual selling quantity		20,700				7,800				12,200			40,700

Required:

a. Compute the sales price variance for all three wines.

b. Compute the activity variance for the company for August.

c. Compute the mix and quantity variances for the company for August.