Inventory records for Herb's Chemicals revealed the following: March 1, 2018, inventory: 1,000 gallons @ $7.20 = $7.200 Purchases: Sales: Mar. 10 600 gals @ $7.25 Mar. 5 400 gals Mar. 16 800 gals @ $7.30 Mar. 14 700 gals Mar. 23 600 galst@ $7.35 Mar. 20 500 gals Mar. 26 700 gals Ending inventory assuming LIFO in a perpetual inventory system would be: $4,960 $5,060 $5,140 $5,040