Novak Inc. is a retailer using a perpetual inventory system. All sales returns from customers result in the goods being returned to inventory. (Assume that the inventory is not damaged.) Assume that there are no credit transactions; all amounts are settled in cash. You are provided with the following information for Novak Inc. for the month of January.

Date			Description		Quantity				Unit Cost or Selling Price
Dec.	31		Beginning inventory			160				$20
Jan.	2		Purchase			100				22
Jan.	6		Sale			180				38
Jan.	9		Sale return			10				38
Jan.	9		Purchase			75				24
Jan.	10		Purchase return			15				24
Jan.	10		Sale			50				46
Jan.	23		Purchase			100				27
Jan.	30		Sale			120				50

Using Average method, calculate (i) cost of goods sold, (ii) ending inventory, and (iii) gross profit. (Round average cost to 3 decimal places, e.g. 5.252 and final answers to 2 decimal places, e.g 5.25.)

Cost of goods sold		$
Ending Inventory		$
Gross Profit		$