The standard direct labor cost for producing one unit of product is 5 direct labor hours at a standard rate of pay of $15. Last month, 15,000 units were produced and 73,500 direct labor hours were actually worked at a total cost of $1,080,000. The direct labor quantity variance was O $22,500 favorable. O $33,750 unfavorable. $33,750 favorable. $22,500 unfavorable