You have the following information for Monty Inc. for the month ended October 31, 2022. Monty uses a periodic method for inventory. Calculate the weighted-average cost. (Round answer to 3 decimal places, eg. 5.125.) Weighted-aiverage cost per unit $ Calculate ending inventory, cost of goods sold, gross profit under each of the following methods. (1) LIFO. (2) FIFO. (3) Average-cost. (Round per unit cost to 3 decimal places, eg. 15.647 and final answers to 0 decimal places, eg. 5,125.)