8. During the year, TRC Corporation has the following inventory transactions.

Date	Transaction	Number of Units	Unit Cost	Total Cost
January 1	Beginning inventory	49	$41	$2,009
April 7	Purchase	129	43	5,547
July 16	Purchase	199	46	9,154
October 6	Purchase	109	47	5,123
		486		$21,833

For the entire year, the company sells 428 units of inventory for $59 each.

Required: 1-a & b. Using FIFO, calculate ending inventory and cost of goods sold. 1-c & d. Using FIFO, calculate sales revenue and gross profit. 2-a & b. Using LIFO, calculate ending inventory and cost of goods sold. 2-c & d. Using LIFO, calculate sales revenue and gross profit. 3-a & b. Using weighted-average cost, calculate ending inventory and cost of goods sold. 3-c & d. Using weighted-average cost, calculate sales revenue and gross profit. 4. Determine which method will result in higher profitability when inventory costs are rising.