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Parker Plastic, Inc., manufactures plastic mats to use with rolling office chairs. Its standard cost information for last year follows:

	Standard Quantity		Standard Price (Rate)			Standard Unit Cost
Direct materials (plastic)	8	sq ft.	$	1.20	per sq. ft.	$	9.60
Direct labor	0.3	hr.	$	13.30	per hr.		3.99
Variable manufacturing overhead (based on direct labor hours)	0.3	hr.	$	2.40	per hr.		0.72
Fixed manufacturing overhead $599,040 936,000 units)							0.64

Parker Plastic had the following actual results for the past year:

Number of units produced and sold		1,300,000
Number of square feet of plastic used		12,700,000
Cost of plastic purchased and used	$	13,970,000
Number of labor hours worked		334,000
Direct labor cost	$	4,141,600
Variable overhead cost	$	1,620,000
Fixed overhead cost	$	391,000

Calculate Parker Plastics variable overhead rate and efficiency variances and its over- or underapplied variable overhead. (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for Favorable/Overapplied and "U" for Unfavorable/Underapplied.)

Variable Overhead Rate Variance
Variable Overhead Efficiency Variance
Variable OVerhead Spending Variance

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