Date	Qty Purchased	Qty Sold	Cost/unit	Qty on hand
1-Nov			$40	10
7-Nov	25		$45	35
13-Nov	30		$48	65
18-Nov		16		49
23-Nov	28		$51	77
30-Nov		22		55
Totals	83	38		55

1. Calculate total COGS for November with FIFO Perpetual method

2. Calculate total COGS for November with LIFO Perpetual method

3. Calculate total COGS for November with Weighted Average Perpetual method

4. Calculate total COGS for November with LIFO Periodic method

5. Calculate total COGS with Weighted Average Periodic method