The following data relate to direct materials costs for February: Materials cost per yard: standard, $2.00; actual, $2.10 Standard yards per unit: standard, 4.5 yards; actual, 4.75 yards Units of production: 9,500 The Flapjack Corporation had 7,792 actual direct labor hours at an actual rate of $12.30 per hour. Original production had been budgeted for 1,100 units, but only 968 units were actually produced. Labor standards were 7.7 hours per completed unit at a standard rate of $12.89 per hour. The labor rate variance is O $4,597.28 unfavorable O$4,597.28 favorable O$3,975.17 unfavorable O$3,975.17 favorable