Bernadino Corporation is a multi-product firm. The following information concerns one of its products, the Trinton:
Date		Transaction		Quantity		Cost
Jan. 1		Beginning inventory		1,000		$12
Feb. 4		Purchase		2,000		18
Feb. 20		Sale		2,500
Apr. 2		Purchase		3,000		23
Nov. 4		Sale		2,000
Instructions
Calculate cost of goods sold, assuming Bernadino uses:
a. A periodic inventory system and FIFO cost formula
b. A periodic inventory system and weighted average cost formula. Round cost per unit to two decimal places.
c. A perpetual inventory system and moving-average cost formula. Round cost per unit to two decimal places.