The following data are available for Sellco for the fiscal year ended on January 31, 2020:

Sales 840 units Beginning inventory 210 units @ $ 4 Purchases, in chronological order 310 units @ $ 5 420 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): (Round unit cost to 2 decimal places.) b. Assume that net income using the weighted-average cost flow assumption is $14,900. Calculate net income under FIFO and LIFO. (Round unit cost to 2 decimal places.)