6 Parker Plastic, Inc., manufactures plastic mats to use with rolling office chairs. Its standard cost information for last year follows: 10 points Direct materials (plastic) Direct labor Variable manufacturing overhead (based on direct labor hours) Fixed manufacturing overhead $403,040 +916,eee units) Standard Standard Quantity Standard Price (Rate) Unit Cost 9 sq ft. $ 1.8 per sq. ft. $9.72 0.3 hr. $11.30 per he 3.39 2.3 hr. $ 2.80 per hr 0.84 0.44 Boo Parker Plastic had the following actual results for the past year: HI References Number of units produced and sold Number of square feet of plastic used Cost of plastic purchased and used Number of labor hours worked Direct labor cost Variable overhead cost Fixed overhead cost 1,100,000 11,700,000 $ 12,870,000 314,000 $ 3,799,400 890,000 $ 371,600 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.) Variable Overhead Rate Variance Variable Overhead Efficiency Variance Variable Overhead Spending Variance