Majenta Company uses a standard costing system. The following information pertains to direct labor costs for February: Standard direct labor rate per hour $12.00 Actual direct labor rate per hour $10.00 Labor rate variance $15000 F Actual output 1,200 units Standard hours allowed for actual production 13,000 hours How many actual labor hours were worked during February for Majenta Company? a. 4,200 hours b. 6,300 hours c. 7,500 hours d. 9,000 hours