The following data concerns inventory and purchases at Muse Company. a. Determine the cost of the ending inventory on January 31 under the average cost method. b. Determine the cost of the ending inventory on January 31 under the first in, first out (FIFO) method. c. Determine the cost of the ending inventory on January 31 under the last in, first out (LIFO) method. Analyze: Which inventory valuation method resulted in the highest dollar amount for ending inventory? Complete this question by entering your answers in the tabs below. Determine the cost of the ending inventory on January 31 under the average cost method. (Round your "average cost per unit" answer to 2 decimal places.)