You have the following information for Sunland Inc. for the month ended October 31, 2025. Sunland uses a periodic system for inventory. (a1) Your answer is correct. Calculate the weighted-average cost. (Round answer to 3 decimal places, eg. 5.125.) Weighted-average cost per unit $ (a2) Your answer is correct. 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, e.g. 125.) eTextbook and Media Attempts: 3 of 12 us (a3) Calculate the gross profit rate under each of the following methods. 1. LIFO. 2. FIFO. 3. Average-cost. (Round answers to 1 decimal place, e.g. 51.2\%)