Ruby Company produces a chair that requires 5 yards of material per unit. The standard price of one yard of material is $7.50. During the month, 8,400 chairs were manufactured, using 43,700 yards at a cost of $7.30 per yard. Enter favorable variances as negative numbers.

Determine the following:

a. Price variance	$ Favorable or not
b. Quantity variance	$ Favorable or not
c. Cost variance $ Favorable or not