The following data are available for sell for the fiscal year ended on January 31, 2014 Sales 790 units Beginning inventory 230 units @ S 3 Purchases in chronological order 340 units @ S 4 400 units @56 250 units @ S 8 Calculate cost of goods sold and ending inventory amounts under the cost-flow assumptions FIFO. LIFO and Weighted average (using a periodic inventory system) (Round your unit cost to 2 decimal places.) Assume that net income using the weighted-average cost-flow assumption is $13,900 Calculate net income under FIFO and LIFO (Round your unit cost to 2 decimal places.)