Ruby Company produces a chair that requires 7 yards of material per unit. The standard price of one yard of material is $14.40. During the month, 6,500 chairs were manufactured, using 44,600 yards at a cost of $15.12 per yard. Enter favorable variances as negative numbers. (a) Determine the price variance. $fill in the blank 1 (b) Determine the quantity variance. $fill in the blank 3 (c) Determine the cost variance. $fill in the blank 5