The units of Manganese Plus available for sale during the year were as follows: Mar. 24 $744 Inventory units $31 $744 units $31 June 33 @ Purchase 16 units $35 1,155 42 @ NOV. Purchase units $36 1,512 28 99 units $3,411 There are 16 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