Please show all work and explanations for both questions.

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

Given the following and Using the Gross Profit Method, fill in the missing numbers. Show all calculations Full Year, Last Yr. 416,100 Sales Revenue Cost of G.S. 852,500 Beginning Inventory Purchases Cost of Intentory Available for Sale Less cost of ending inventory 31,500 472,400 503,900 85,000 201,300 Cost of Goods Sold 418,900 Gross Margin Oper. Expenses Oper. Income/Loss 433,600 440,200 219,826 (6,600)