Ruby Company produces a chair that requires 5 yards of material per unit. The standard price of one yard of material is $7.60. During the month, 8,500 chairs were manufactured, using 40,000 yards at a cost of $7.50.

Determine the following: (Enter all amounts as positive numbers.)

(a) Price variance :	$	-Select-FavorableUnfavorableItem 2
(b) Quantity variance :	$	-Select-FavorableUnfavorableItem 4
(c) Cost variance :	$	-Select-FavorableUnfavorableItem 6