Please explain how these values are calculated. Previous posts do not. Thank you!

A company provides the following Inventory records. Numberofunitssold=Sellingpriceperunit=8,5000$30.00 Required: 1. Based on the information given above, calculate cost of goods sold and ending inventory using the FIFO method. 2. Calculate cost of goods sold and ending inventory using the LIFO method. 3. Calculate cost of goods sold and ending inventory using the Weighted Average Method. 4. Calculate gross profit under all three methods. Requirement 1: Cost of Goods Sold and Ending Inventory under FIFO (Use cells A2 to E12 from the given information above to complete this question. To calculate the number of units sold within each batch, use the MIN function.) Requirement 3: Cost of Goods Sold and Ending Inventory under Weighted Average (a) Calculate the weighted-average unit cost. (Use cells A2 to E12 from the given information above to complete this question.) Weighted-average unit cost = (b) Calculate cost of goods sold and ending inventory using the weighted-average method. (Use cells A2 to E12 from the given information above to complete this question. In your formula, use 7 cell B44 for the weighted-average unit cost.) 8 Requirement 4: Gross Profit (Use cells A2 to E12 from the given information above to complete this question. All values should be input and displayed as positive amounts.) 4 \begin{tabular}{l} Sales revenue \\ 5 Cost of goods sold \\ Gross profit \\ \hline \end{tabular} Requirement 3: Cost of Goods Sold and Ending Inventory under Weighted Average (a) Calculate the weighted-average unit cost. (Use cells A2 to E12 from the given information above to complete this question.) Weighted-average unit cost = (b) Calculate cost of goods sold and ending inventory using the weighted-average method. (Use cells A2 to E12 from the given information above to complete this question. In your formula, use 7 cell B44 for the weighted-average unit cost.) 8 Requirement 4: Gross Profit (Use cells A2 to E12 from the given information above to complete this question. All values should be input and displayed as positive amounts.) 4 \begin{tabular}{l} Sales revenue \\ 5 Cost of goods sold \\ Gross profit \\ \hline \end{tabular}