The units of Manganese Plus available for sale during the year were as follows: Mar. 1 Inventory 22 units @ $29 $638 June 16 Purchase 31 units @ $30 930 Nov. 28 Purchase 45 units @ $35 1,575 98 units $3,143 There are 11 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. 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