QUESTION 5 1. The units of an item available for sale during the year were as follows: January 10 February 27 July 11 November 13 Inventory Purchase Purchase Purchase 27 units @ $90 54 units @ $98 63 units @ $106 36 units @ $115 3. There are 50 units of the item in the physical inventory at December 31. The periodic inventory system is used. Determine the ending inventory cost by (a) the first-in, first-out method, (b) the last-in, first-out method, and (c) the average cost method. Show your work