Whispering Company manufactures many products for use in the airline industry. Presented below is information concerning one of its products, the Orbit.

Date		Transaction		Quantity		Price/Cost
1/1		Beginning inventory		1,600		$29
3/6		Sale		1,000		51
6/26		Purchase		3,500		31
8/2		Purchase		2,000		32
10/31		Sale		4,000		53

Compute cost of goods sold, assuming Whispering uses: (Round average cost per unit to 2 decimal places, e.g. 2.76 and final answers to 0 decimal places, e.g. 6,548.)

				Cost of goods sold
(a)		Periodic system, FIFO cost flow		$enter a dollar amount
(b)		Perpetual system, FIFO cost flow		$enter a dollar amount
(c)		Periodic system, LIFO cost flow		$enter a dollar amount
(d)		Perpetual system, LIFO cost flow		$enter a dollar amount
(e)		Periodic system, weighted-average cost flow		$enter a dollar amount
(f)		Perpetual system, moving-average cost flow		$enter a dollar amount