The following data are available for Sellco for the fiscal year ended on January 31, 2017: Sales 810 units Beginning inventory 260 units @ $ 4 Purchases, in chronological order 290 units @ $ 5 440 units @ $ 7 230 units @ $ 8 Required: a. Calculate cost of goods sold and ending inventory under the cost flow assumptions, FIFO, LIFO and Weighted average (using a periodic inventory system): (Round unit cost to 2 decimal places.) b. Assume that net income using the weighted-average cost flow assumption is $14,300. Calculate net income under FIFO and LIFO. (Round unit cost to 2 decimal places.)

Please show work so I can learn how to do it.