The units af Manganese Plus available for sale during the year were as faliows: There are 14 units of the product in the physical inventory at November 30. The partadic inventory system is used. a. Deterimine the inventory cost by the FFO method. b. Determine the inventory cost by the UFO methed. c. Deturmine the inventocy cost by the weighted average cost methods. Round intermediate calculations and final answer to two decimal places