I. Rocky Corporation makes and sells a single product. Last period the company's labor rate variance was $14,400 U. During the period, the company worked 36,000 actual direct labor-hours at an actual cost of $338,400. The standard labor rate for the product in dollars per hour is: A) $9.40 B) $9.00 C) $8.50 D) $8.10 II. The following labor standards have been established for a particular product: Standard labor-hours per unit of output........ 9.0 hours Standard labor rate ........... $ 15.10 per hour The following data pertain to operations concerning the product for the last month: Actual hours worked Actual total labor cost Actual output 8,100 hours $ 119,880 800 units What is the labor rate variance for the month? A) $11,160 F B) $13,320 U C) $11,160 U D) $2,430 F