hello, can you help me figure out the cost of ending inventory and cost of good ...

hello, can you help me figure out the cost of ending inventory and cost of good sold in fifo and lifo form i have been stuck on this problem for 3 hours thank you so much Riverbed Corp reports the following for the month of June. Date Explanation Units Unit Cost Total Cost June 1 Inventory 129 $5 $ 645 12 Purchases 344 6 2,064 23 Purchases 203 7 1,421 30 Inventory 234