Can someone give me explanations on how to do FIFO, LIFO, Weighted Average, and Specific ID?

I need the answers to the given cells in the given screenshots.

Weighted Average Perpetual FIFO Perpetual LIFO Specific Id Compute the cost assigned to ending inventory using FIFO Perpetual FIFO: Goods Purchased Cost of Goods Sold Inventory Balance #of units Cost per unit # of units sold cost per unit Cost of Goods Sold Cost perInventory Balance Date # of units unit March 1 200S 53.00 10,600.00 $53,001 = 1 10,600.00 58.0015,950.00 26,550.00 March 5 27558.00 275 @ S53.00 $58.00 March 9 200 53.00 58.00 0,600.00 0.00 10,600.00