Calculator Ruby Company produces a chair that requires 5 yards of material per unit. The standard price of one yard variances as negative numbers. (a) Determine the price variance. (b) Determine the quantity variance. (c) Determine the cost variance. price of one yard of material is $11.60. During the month, 7,300 chairs were manufactured, using 35,800 yards at a cost of $11.02 per yard. Enter favorable