During the year, Rosenberg Incorporated has the following inventory transactions. 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 declinin Using FIFO, calculate ending inventory and cost of goods sold. Using FIFO, calculate sales revenue and gross profit. Using LIFO, calculate ending inventory and cost of goods sold, Using LIFO, calculate sales revenue and gross profit. Using weighted-average cost, calculate ending inventory and cost of goods sold. (Round "Average Cost per unit" to 4 decimal places and ail other answers to \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|} \hline \multirow[b]{2}{*}{\begin{tabular}{l} Weighted Average \\ Cost \end{tabular}} & \multicolumn{3}{|c|}{ Cost of Goods Available for Sale } & \multicolumn{3}{|c|}{\begin{tabular}{l} Cost of Goods Sold - Weighted Average \\ Cost \end{tabular}} & \multicolumn{3}{|c|}{\begin{tabular}{l} Ending Imventory - Weighted Average \\ Cost \end{tabular}} \\ \hline & \begin{tabular}{l} Number \\ of units \end{tabular} & \begin{tabular}{l} Average Cost \\ per unit \end{tabular} & \begin{tabular}{c} Cost of Goods \\ Available for \\ Sale \end{tabular} & \begin{tabular}{l} Number \\ of units \end{tabular} & \begin{tabular}{l} Average Cost \\ per Unit \end{tabular} & \begin{tabular}{l} Cost of \\ Goods Sold \end{tabular} & \begin{tabular}{l} Number of \\ units \end{tabular} & \begin{tabular}{l} Average Cost \\ per unit \end{tabular} & \begin{tabular}{l} Ending \\ Inventory \end{tabular} \\ \hline Beginning Inventory & 16 & & & & & & & & \\ \hline \multicolumn{10}{|l|}{ Purchases: } \\ \hline March 04 & 21 & & 357 & & & & & & \\ \hline June 09 & 26 & & 416 & & & & & & \\ \hline November 11 & 26 & & 304 & & & & & & \\ \hline Total & 89 & & 1,425 & & & & & & \\ \hline \end{tabular} Req 2c and d Req 3c and d Jsing weighted-average cost, calculate sales revenue and gross profit. (Round answers to 2 decimal places.) Determine which method will result in higher profitability when inventory costs are declining