13.

Ruby Company produces a chair that requires 4 yards of material per unit. The standard price of one yard of material is $12.20. During the month, 5, 100 chairs were manufactured, using 20,200 yards at a cost of $12.81 per yard. Enter favorable variances as negative numbers. (a) Determine the price variance (b) Determine the quantity variance Favorable (c) Determine the cost variance Unfavorable