The beginning inventory at Midnight Supplies and data on purchases and sales for a three-month period ending March 31, are as follows: Jan. 1 10 28 30 Feb. 5 10 16 28 Mar. 5 14 Inventory Purchase Sale Sale Sale Purchase Sale Sale Purchase Sale 7,500 22,500 11,250 3,750 1,500 54,000 27,000 25,500 45,000 30,000 $ 75.00 85 150 150 150 87.5 160 160 89.5 160 $ 562,500 1,912,500 1,687,500 562,500 225,000 4,725,000 4,320,000 4,080,000 4,027,500 4,800,000

The beginning inventory at Midnight Supplies and data on purchases and sales for a three-month period ending March 31 , are as follows: \begin{tabular}{|c|c|c|c|c|c|} \hline 20 & & & & & \\ \hline Jan. 1 & Inventory & 7,500 & S 75.00 & \$ 562,500 & \\ \hline & & & & & \\ \hline 10 & Purchase & 22,500 & 85 & 1,912,500 & \\ \hline & & & & & \\ \hline 28 & Sale & 11,250 & 150 & 1,687,500 & \\ \hline & & & & & \\ \hline & & i & & & \\ \hline & & & & & \\ \hline 30 & Sale & 3,750 & 150 & 562,500 & \\ \hline & & & & & \\ \hline & & & & & \\ \hline Feb. 5 & Sale & 1,500 & 150 & 225,000 & \\ \hline & & & y= & & \\ \hline & & & & & \\ \hline 10 & Purchase & 54,000 & 87.5 & 4,725,000 & \\ \hline & & & & & \\ \hline & & & & & \\ \hline & & & & & \\ \hline 16 & Sale & 27,000 & 160 & 4,320,000 & \\ \hline & & & & & \\ \hline & & & & & \\ \hline 28 & Sale & 25,500 & 160 & 4,080,000 & \\ \hline & Sale & & r2 & & \\ \hline & & & & & \\ \hline & & & & & \\ \hline Mar. 5 & Purchase & 45,000 & 89.5 & 4,027,500 & \\ \hline & & & & & \\ \hline & & & & & \\ \hline & & & & & \\ \hline 14 & Sale & 30,000 & 160 & 4,800,000 & \\ \hline \end{tabular} The beginning inventory at Midnight Supplies and data on purchases and sales for a three-month period ending March 31 , are as follows: \begin{tabular}{|c|c|c|c|c|c|} \hline 20 & & & & & \\ \hline Jan. 1 & Inventory & 7,500 & S 75.00 & \$ 562,500 & \\ \hline & & & & & \\ \hline 10 & Purchase & 22,500 & 85 & 1,912,500 & \\ \hline & & & & & \\ \hline 28 & Sale & 11,250 & 150 & 1,687,500 & \\ \hline & & & & & \\ \hline & & i & & & \\ \hline & & & & & \\ \hline 30 & Sale & 3,750 & 150 & 562,500 & \\ \hline & & & & & \\ \hline & & & & & \\ \hline Feb. 5 & Sale & 1,500 & 150 & 225,000 & \\ \hline & & & y= & & \\ \hline & & & & & \\ \hline 10 & Purchase & 54,000 & 87.5 & 4,725,000 & \\ \hline & & & & & \\ \hline & & & & & \\ \hline & & & & & \\ \hline 16 & Sale & 27,000 & 160 & 4,320,000 & \\ \hline & & & & & \\ \hline & & & & & \\ \hline 28 & Sale & 25,500 & 160 & 4,080,000 & \\ \hline & Sale & & r2 & & \\ \hline & & & & & \\ \hline & & & & & \\ \hline Mar. 5 & Purchase & 45,000 & 89.5 & 4,027,500 & \\ \hline & & & & & \\ \hline & & & & & \\ \hline & & & & & \\ \hline 14 & Sale & 30,000 & 160 & 4,800,000 & \\ \hline \end{tabular}