Use this information for Pink Peach Company to answer the question that follows. The following data relate to direct materials costs for February: Materials cost per yard: standard, $1.91; actual, $2.05 Standard yards per unit: standard, 4.73 yards; actual, 5.21 yards Units of production: 9,300 Compute the direct materials quantity variance. Oa. $8,526.24 favorable Ob. $8,526.24 unfavorable Oc. $9,151.20 unfavorable Od. $9,151.20 favorable