The following labor standards have been established for a particular product: Standard labor-hours per unit of output Standard labor rate 9.7 hours $ 13.50 per hour The following data pertain to operations concerning the product for the last month: Actual hours worked Actual total labor cost. 17 Actual output 7,500 hours $ 98,250 900 units What is the labor efficiency variance for the month? Multiple Choice $19,605 F $19,605 U $16.113 F