Two or more items are omitted in each of the following tabulations of income statement data. Fill in the amounts that are missing.

		2018			2019			2020
Sales		$299,000			$			$412,000
Sales returns		6,000			13,100
Net sales					347,000
Beginning inventory		21,600			31,000
Ending inventory
Purchases					274,000			318,000
Purchase returns and allowances		4,800			8,300			10,500
Transportation in		8,900			9,800			12,100
Cost of goods sold		239,000						301,000
Gross profit on sales		54,000			92,800			96,500