Please state if the answers are favorable or unfavorable, as well.

Ruby Company produces a chair that requires 5 yards of material per unit. The standard price of one yard of material is $11.20. During the month, 7,700 chairs were manufactured, using 39,300 yards at a cost of $11.87 per yard. Enter favorable variances as negative numbers. (a) Determine the price variance. $ (b) Determine the quantity variance. $ (c) Determine the cost variance