The inventory accounting records for Roth Corporation contained the following data:

Beginning inventory	400 units at $8 each
Purchase 1, Feb. 26	2,300 units at $14 each
Sale 1, March 9	2,500 units at $27 each
Purchase 2, June 14	2,200 units at $15 each
Sale 2, Sept. 22	2,100 units at $29 each

Required:

1. Calculate the cost of ending inventory and the cost of goods sold using the FIFO, LIFO, and average cost methods. (Note: Use four decimal places for per-unit calculations and round all other numbers to the nearest dollar.)

	FIFO	LIFO	Average cost
Cost of ending inventory	$	$	$
Cost of goods sold	$	$	$

2. Conceptual Connection: Compare the ending inventory and cost of goods sold computed under all three methods. What can you conclude about the effects of the inventory costing methods on the balance sheet and the income statement?