Inventory records for Atco Incorporated revealed the following: Number of Units 200 Unit Cost $3.50 Total Cost $700 Date Transaction March 1 March 20 March 21 Beginning inventory Purchase Purchase 300 3.00 $900 50 3.20 $160 $1,760 Atco sold 400 units of inventory during the month and had ending inventory of 150 units. Cost of goods sold under the weighted-average cost method would be