Flapjack Corporation had 7,784 actual direct labor hours at an actual rate of $12.40 per hour. Original production had been budgeted for 1,100 units, but only 967 units were actually produced. Labor standards were 7.2 hours per completed unit at a standard rate of $12.77 per hour. The direct labor rate variance is Oa. $2,880.08 unfavorable Ob. $2.880.08 favorable Oc. $10,800.55 unfavorable Od. $10.800.55 favorable