The Fischer Company uses a standard costing system. For the month of December, the following data have been assembled: Actual direct labor hours worked = 5,800 hours Standard direct labor rate = $9 per hour Labor efficiency variance = $1,800 unfavorable The standard hours allowed for December production is: 1) 5,400 hours. 2) 5,600 hours. 3) 5,800 hours. 4) 6,000 hours.