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) 12 sq ft. $ 0.83 per sq. ft. $ 9.96 Direct labor 0.25 hr. $ 10.50 per hr. 2.62 Variable manufacturing overhead (based on direct labor hours) 0.25 hr. $ 2.20 per hr. 0.55 Fixed manufacturing overhead $345,800 ÷ 910,000 units) 0.38 Parker Plastic had the following actual results for the past year: Number of units produced and sold 1,040,000 Number of square feet of plastic used 11,400,000 Cost of plastic purchased and used $ 9,120,000 Number of labor hours worked 308,000 Direct labor cost $ 3,449,600 Variable overhead cost $ 689,000 Fixed overhead cost $ 365,000 Required: Calculate Parker Plastic’s direct materials price and quantity 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).)