During the year, Rosenberg Incorporated has the following inventory transactions. Date January 1 Transaction Beginning inventory March 4 Purchase June 9 Purchase November 11 Purchase Number of Unit Total Units Cost Cost 13 $15 $195 18 14 252 23 13 299 23 11 253 77 $999 For the entire year, the company sells 61 units of inventory for $23 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 Req 4