Assignment: The Wacky Widget Company uses a periodic inventory approach. The units of items available for sale during the year are as follows: January 1: Beginning Inventory 90 units@$54 each March 10: Purchase 112 units @$55 each August 30: Purchase 100 units @$58each December 12: Purchase 98units @$60each There are 104 units of the item in the physical inventory on December 31. Determine the cost of the ending inventory and the cost of merchandise sold under the FIFO, LIFO and Weighted Average Cost methods