Parker Plastic, Inc., manufactures plastic mats to use with rolling office chairs. Its standard cost information for last vear follows: Direct materials (plasti Direct labor Variable, manufacturing overhead (based on direct labor hours) Pixed manufacturing overhead ($308,040 + 906,000 unita) Standard Standard Price Quantity Rate) 8 sq ft. $ 0.63 per sq. ft. 0.26 hr. $10.50 per hr. 0.26 hr. Standard Unit Cost $5.04 2.73 0.39 0.34 Parker Plastic had the following actual results for the past year. Number of units produced and sold Number of square feet of plantie used Cost of plastie purchased and used Number of labore hours worked Direct labor cost Variable overhead cost Fixed overhead coat 1,220,000 11,200,000 $6,720,000 305,000 $ 3,233,000 540,000 361.000 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, "U" for unfavorable, and "None" for no effect (.e., zero variance).) Variable Overhead Rate Variance Variable Overhead Efficiency Variance Standard Standard Price Quantity (Rita) 8 sq ft. $ 0.63 per sq. ft. 0.26 hr. $10.50 per hr. 0.26 hr. $ 1.50 per hr. Unit Cont $5.04 2.73 Direct materials (plastic) Direct labor Variable manufacturing overhead (based on direct labor hours) Fixed manufacturing overhead ($308,040 + 906,000 units) 0.39 0.34 Parker Plastic had the following actual results for the past year Number of units produced and sold Number of square feet of plastic used Cost of plastie purchased and used Number of labor hours worked Direct labor cost Variable overhead cost Fixed overhead coat 1,220,000 11,200,000 $ 6, 720,000 305,000 $ 3, 233,000 $ 540,000 $ 361,000 Required: Calculate Parker Plastic's variable overhead rate and efficiency variances and its over- or underapplied variable overhe round Intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavor "None" for no effect (i.e., zero variance).) Variable Overhead Rate Variance Variable Overhead Efficiency Variance Variable Overhead Spending Variance