please help with this accounting problem!

Question 5 View Policies Current Attempt in Progress Ivanhoe Company uses a periodic inventory system. Its records show the following for the month of May, in which 70 units were sold. Date Explanation May 1 Inventory Unit Cost $10 11 12 15 Units 33 27 40 100 Purchase Total Cost $330 297 480 $1,107 24 Purchase Total Calculate the weighted average unit cost. (Round answer to 3 decimal places, e.g. 5.125.) Weighted average unit cost $ e Textbook and Media Calculate the ending inventory at May 31 using the FIFO, LIFO and a verage 9 (Round answers to 0 decimal places, e.g. 125.) FIFO AVERAGE-COST The ending inventory at May 31 $ e Textbook and Media Attentioned