During the year, Trombley Incorporated has the following inventory transactions.

Date	Transaction	Number of Units	Unit Cost	Total Cost
Jan. 1	Beginning inventory	11	$ 13	$ 143
Mar. 4	Purchase	16	12	192
Jun. 9	Purchase	21	11	231
Nov. 11	Purchase	21	9	189
		69		$ 755

For the entire year, the company sells 51 units of inventory for $21 each.

A: Using FIFO, calculate ending inventory, cost of goods sold, sales revenue, and gross profit.

B:Using LIFO, calculate ending inventory, cost of goods sold, sales revenue, and gross profit

C:Using weighted-average cost, calculate ending inventory, cost of goods sold, sales revenue, and gross profit. (Round "Weighted-Average Cost per unit" to 2 decimal places.)

D: Which method will result in higher profitability when inventory costs are declining?