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Parker Plastic, Inc., manufactures plastic mats to use with rolling office chair

ID: 2513826 • Letter: P

Question

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


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


Required:
Calculate Parker Plastic’s 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.)

Standard Quantity Standard Price (Rate) Standard Unit Cost Direct materials (plastic) 12 sq ft. $ 0.83 per sq. ft. $ 9.96 Direct labor 0.3 hr. $ 10.50 per hr. 3.15 Variable manufacturing overhead (based on direct labor hours) 0.3 hr. $ 2.20 per hr. 0.66 Fixed manufacturing overhead $345,800 ÷ 910,000 units) 0.38

Explanation / Answer

variable overhead rate variance=689000-(308000*2.2)= $11400 U Variable overhead efficiency variance=2.2*(308000-1040000*0.3)= $8800 F Underapplied variable overhead = 11400-8800 = $2600 U