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 100 inventory units @ $12
1/20 Bought 200 inventory units @ $15
1/25 Sold 150 inventory units @ $26
1/28 Bought 100 inventory units @ $17
1/31 Sold 120 inventory units @ $26
2/4 Bought 60 inventory units @ $18