The following labor standards have been established for a particular product: Standard labor hours per unit of output 2.6 hours Standard labor rate $13.80 per hour The following data pertain to operations concerning the product for the last month Actual hours worked 1,200 hours Actual total labor cost $17,040 Actual output 400 units 18. What is the labor rate variance for the month A. $160 U B. 160 F C. $480 U D. 480 F 19. The total standard cost for variable overeard for May was closest to: A. 56,000 B. 40,000 C. 60,000 D. 50,000 20. The materials quantity variance is: A. 1,200 U B. 1,820 F C. 1,820 U D. 1,120 F