You have the following information for Cullumber inc for the month ended October 31, 2025. Cullumber uses a periodic system foe inventony. Caiculate the weighted-average cost, (Round aniswer to 3 decinal places es. 5.125) Weighted-average cost per unit Galculate 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 Odecimal places es. 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, es 51.2% )