help please!

P6-3BSmythe Company Inc. had a beginning inventory of 200 units of Product ERV at a cost of $6 per unit. During the year, purchases were:Jan. 24800 units at $7Aug. 19600 units at $9

Apr. 12400 units at $8Nov. 30350 units at $10

Smythe Company uses a periodic inventory system. Sales totalled 1,900 units.

Instructions

(b) Cost of goods sold:

FIFO$14,500

LIFO$15,950

Average$15,281

(a)Determine the cost of goods available for sale.(b)Determine the ending inventory and the cost of goods sold under each of the assumed cost flow methods (FIFO, LIFO, and average-cost). Prove the accuracy of the cost of goods sold under the FIFO and LIFO methods. (Round average unit cost to three decimal places.)

(c)Which cost flow method results in the lowest inventory amount for the balance sheet? The lowest cost of goods sold for the income statement?