eBook Calculator Weighted Average Cost Method with Perpetual Inventory The beoinning inventory at Midnight Supplies and data on purchases and sales for a three-month period ending March 31, are as follows: Number Transaction of Units Date Per UnitTotal 7,500 $75.00 $562,500 22,500 85.00 1,912,500 11,250 150.00 1,687,500 562,500 1,500 150.00 225,000 54,00087.504,725,000 27,000 160.00 4,320,000 25,500160.00 4,080,000 45,000 89.50 4,027,500 30,000160.004,800,000 675,000 26,250 160.00 4,200,000 Jan. 1 Inventory 10 Purchase 28 Sale 30 Sale 3,750 150.00 Feb. 5 Sale 10 Purchase 16 Sale 28 Sale Mar. 5 Purchase 14 Sale 25 Purchase 30 Sale 7,500 90.00 Required: Previous Check My Work 7,50090.00 26,250 160.004,200,000 Quantity Jan. 10 Jan. 30