+ Direct materials (plastic) Direct labor Variable manufacturing overhead (based on direct labor hours) Fixed manufacturing overhead ($599,040 936,000 units) Standard Quantity Standard Price (Rate) $ 1.20 per sq. ft. 8 sq ft. 0.3 hr. $13.30 per hr. 0.3 hr. $ 2.40 per hr. Standard Unit Cost $9.60 3.99 0.72 0.64 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 plastic purchased and used Number of labor hours worked Direct labor cost Variable overhead cost Fixed overhead cost Required: 1,300,000 12,700,000 $13,970,000 334,000 $ 4,141,600 $ 1,620,000 $ 391,000. Calculate Parker Plastic's direct labor rate and efficiency variances. (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance).)