4 Units Price Per Unit Total 5 Residential Pumps Inventory at Feb. 420 300 126,000 6 28: 7 Purchases: 8 10-Mar 1,050 450 472,500 9 20-Mar 840 475 399,000 10 30-Mar 630 500 315,000 11 Sales: 12 15-Mar 1,050 540 567,000 13 25-Mar 840 570 478,800 Inventory at March 1,050 175 14 31: 15 Commercial Pumps Inventory at Feb. 1,260 800 1,008,000 16 28: 17 Purchases: 18 19 22222 20 3-Mar 1,260 900 1,134,000 12-Mar 630 950 598,500 21-Mar 1,050 1,000 1,050,000 21 Sales: 18-Mar 1,890 1,080 2,041,200 23 29-Mar 1,050 1,140 1,197,000 Inventory at March 1,050 31: