During the year, Rosenberg Incorporated has the following inventory transactions. Date January 1 March 4 June 9 Transaction Beginning inventory Purchase Purchase November 11 Purchase Number of Units Unit Total Cost Cost 16 $18 $288 21 17 357 26 16 416 26 14 364 89 $1,425 For the entire year, the company sells 69 units of inventory for $26 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 declining. Complete this question by entering your answers in the tabs below. Req 1a and b Req 1c and d Req 2a and b Req 2c and d Req 3a and b Req 3c and d Using FIFO, calculate ending inventory and cost of goods sold. Req 4