You have the following information for Ivanhoe inc. for the month ended October 31,2025 . Ivanhoe uses a periodic system for inventory. Calculate the weighted-average cost. (Round answer to 3 decithal places, eg. 5.125.) Weighted-average cost per unit Calculate ending inventory, cost of goods sold, and gross profit under each of the following methods. 1. LIFO. 2. FIFO. 3. Average-cost. (Round answers to 0 decimal places, eg. 125.) Calculate the gross profit rate under each of the following methods. 1. LIFO. 2. FIFO. 3. Average-cost. (Round answers to 1 decimal place, eg. 51.2\%)