What is the equation to figure out the following questions?

The units of Manganese Pius avaiiabie for saie during the year were as foliows: Mar. 1 Inventory 23 units @ $31 $7313 June 16 Purchase 23 units @ $30 840 Nov. 23 Purchase 3? units @ $37 1.369 as units $2,922 There are 10 units of the product in the physical inventory at November 30. The periodic inventory system is used. Round answers to the nearest whole doliar. a. Determine the inventory cost by the FIFO method. st: [3. Determine the inventory cost by the LIFO method. ) S 1:. Determine the inventory cost by the average cost methods. $l:i