The following data are available for Sellco for the fiscal year ended on January 31, 2023: Sales Beginning inventory 830 units 220 units $3 Purchases, in chronological order 310 units $4 430 units $7 200 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): b. Assume that net income using the weighted-average cost flow assumption is $15,800. Calculate net income under FIFO and LIFO. Complete this question by entering your answers in the tabs below. Required A Required B Calculate cost of goods sold and ending inventory under the cost flow assumptions, FIFO, LIFO and Weighted average (using a periodic inventory system): Note: Round unit cost to 2 decimal places. FIFO LIFO Weighted average Cost of Goods Sold Ending Inventory < Required A Required B >