HI! I got stuck in this question

Exercise 6-7 Monty Corp. reports the following for the month of June. Date Explanation Units Unit Cost Total Cost June 1 Inventory 132 $5 $ 660 12 Purchases 347 6 2,082 23 Purchases 218 1,526 30 Inventory 251 Calculate weighted-average unit cost. (Round answer to 3 decimal places, e.g. 5.125.) Weighted-average unit cost $ Compute the cost of the ending inventory and the cost of goods sold under FIFO, LIFO, and average-cost. (Round answers to 0 decimal places, e.g. 125.) FIFO LIFO Average-cost The cost of the ending inventory $ The cost of goods sold $