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

Sales	840	units
Beginning inventory	220	units	@	$	3
Purchases, in chronological order	310	units	@	$	5
	400	units	@	$	6
	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 $12,400. Calculate net income under FIFO and LIFO. (Round unit cost to 2 decimal places.)