Given the following data, calculate cost of goods sold and the cost of ending inventory. 3 separate methods, FIFO, LIFO and Weighted Average. You must show ALL calculations. Date Transaction 1/10 Bought 200 inventory units @ $15 1/20 Bought 200 inventory units @ $17 1/25 Sold 150 inventory units @ $30 1/28 Bought 100 inventory units @ $20 1/31 Sold 130 inventory units @ $30 2/4 Bought 90 inventory units @ $22