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