The ABC Company had the following inventory record for the month of January:

		# of	Unit
Date	Description	Items	Price	Item
1/1	Beginning inventory	5	$20	Z1, Z2, Z3, Z4, Z5
1/5	Sale	2		Z2, Z5
1/11	Purchase	9	12	Z6, Z7, Z8, Z9, Z10, Z11, Z12, Z13, Z14
1/28	Sale	7		Z1, Z3, Z6, Z7, Z8, Z9, Z14

Required:

Assuming a perpetual system is in use, determine the cost of goods sold and the ending inventory using each of the following methods:

1. FIFO
2. LIFO
3. Weighted average
4. NOPDF