TB MC Qu. 10-38 (Algo) The Fime Corporation uses a standard .. The Fime Corporation uses a standard costing system. The following data have been assembled for December Actual direct labor-hours worked 6,400 hours Standard direct labor rate $10 per hour Labor efficiency variance $1,5ee Unfavorable The standard hours allowed for December's production is: Multiple Choice 6JO0 hours 6,400 hours 6.250 hours 6.550 hours