Lucia Company has set the following standard cost per unit for direct materials and direct labor. Direct materials (16 pounds @ $4 per pound) $ 64 Direct labor (2 hours @ $16 per hour) 32 During May the company incurred the following actual costs to produce 8,100 units. Direct materials (133,500 pounds @ $3.80 per pound) $ 507,300 Direct labor (19,200 hours @ $16.10 per hour) 309,120 AR = Actual Rate SR = Standard Rate AQ = Actual Quantity