5 of 12 View Policies -/3 ! Current Attempt in Progress Crane Inc. uses a periodic inventory system. Its records show the following for the month of May, in which 78 units were sold. Date Explanation Units Unit Cost Total Cost May 1 Inventory 33 $8 $264 15 Purchase 27 9 243 24 Purchase 40 10 400 Total 100 $907 (a1) Calculate the weighted-average unit cost. (Round answer to 3 decimal places, e.g. 5.125.) Weighted-average unit cost $ eTextbook and Media Save for Later Attempts: 0 of 3 used Submit Answer (a2) The parts of this question must be completed in order. This part will be available when you complete the part above