The beginning inventory for Midnight Supplies and data on purchases and sales for a three-m Number of Units Date Transaction Per Unit Total Jan. 1 Inventory $75.00 7,500 22,500 10 Purchase 85.00 $562,500 1,912,500 1,687,500 562,500 28 Sale 11,250 150.00 30 Sale 150.00 3,750 1,500 Feb. 5 Sale 150.00 10 Purchase 54,000 87.50 16 Sale 160.00 160.00