The following labor standards have been established for a particular product Standard labor-hours per unit of output Standard labor rate 8.9 hours $ 15.80 per hour The following data pertain to operations conceming the product for the last month: Actual hours worked 8,800 hours Actual total labor cost $ 136,400 Actual output 870 units What is the labor rate variance for the month? Multiple Choice $14,061 U $16,384 U $2,640 F