Riverbed Corp reports the following for the month of June. Date Unit Cost June 1 12 $5 Explanation Inventory Purchases Purchases Inventory Units 129 344 203 234 Total Cost $645 2,064 1,421 6 23 7 30 Calculate weighted average unit cost. (Round answer to 3 decimal places, es. 5.125.) Weighted average unit cost $ 6.10 Compute the cost of the ending inventory and the cost of goods sold under FIFO, LIFO, and average cost. (Round answers to O decimal places, eg. 125.) FIFO LIFO Average-cost $ The cost of the ending inventory The cost of goods sold