Required information [The following information applies to the questions displayed below.) Mom's Apple Pie Company uses a standard cost system. The standard direct labor time for each pie is 10 minutes. During the most recent month, the company produced and sold 6,600 pies. The standard direct labor rate is $26.70 per hour; the actual labor rate per hour for the month was $26.40. The company used a total of 1,120 labor hours. was the direct labor efficiency variance for the month? Was this variance favorable (F) or unfavorable (U)? (Do not round mediate calculations.)