The following data are available for Sellco for the fiscal year ended on January 31, 2020: Sales Beginning inventory Purchases, in chronological order 800 units 230 units @ $3 290 units @ $5 400 units $6 210 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.) Cost of Goods Sold Ending Inventory FIFO LIFO Weighted average b. Assume that net income using the weighted average cost flow assumption is $15,700. Calculate net income under FIFO and LIFO. (Round unit cost to 2 decimal places.) Net Income FIFO LIFO