The following labor standards have been established for a certain product: Standard labor hours per unit of output Standard labor rate 2.5 hours $17 per hour The following data pertain to the operations concerning the product for the last month: Actual hours worked Actual total labor cost Actual output a. Identify the labor rate variance. b. Identify the labor efficiency variance. c. What is the total direct labor variance? 5,700 hours 102,600 2,200 units