The units of Manganese Plus available for sale during the year were as follows: Mar. 1 Inventory 24 units $696 June 16 Purchase @ $29 @ $30 32 units 960 Nov. 28 Purchase 44 units @ $35 1,540 100 units $3,196 There are 12 units of the product in the physical inventory'at November 30. The periodic inventory system is used. a. Determine the inventory cost by the FIFO method. S b. Determine the inventory cost by the LIFO method. c. Determine the inventory cost by the average cost methods. Round answer to two decimal places