Ruby Company produces a chair that requires 7 yards of material per unit. The standard price of one variances as negative numbers. (a) Determine the price variance. (b) Determine the quantity variance. (c) Determine the cost variance. Hard price of one yard of material is $14.60. During the month, 5.900 chairs were manufactured, using 40,500 yards at a cost of $15.48 per yard. Enter favorable Nest