The following labor standards have been established for a particular product: 3 Standard labor-hours per unit of output Standard labor rate 9 hours $ 12.80 per hour The following data pertain to operations concerning the product for the last month: Actual hours worked Actual total labor cost Actual output 6,800 hours $84,320 800 units What is the labor efficiency variance for the month? The Fime Corporation uses a standard costing system. The following data have been assembled for December: 4 Actual direct labor-hours worked Standard direct labor rate Labor efficiency variance 6,400 hours $ 10 per hour $1,500 Unfavorable The standard hours allowed for December's production is: Multiple Choice O 6,100 hours O 6,250 hours o 6,400 hours O 6,550 hours