Transactions for Durham Ltd. for the month of June were: June 1 (balance) 3 7 15 Purchases 22 400 @ $ 3.20 1,100 @ 600@ 900 @ 250@ 3.10 3.30 3.40 3.50 June 2 6 9 10 18. 25 Sales 300 @ 800 @ 500 @ 200 @ 700 @ 150@ $5.50 5.50 5.50 6.00 6.00 6.00 Durham Ltd. uses the periodic inventory system. The ending inventory on a weighted average-cost basis, rounded to the nearest dollar, is