My eBay Summary SNH4G82Zlyje PayPal: Summary Capital One Credit... O MERCHANDISING AND INVENTORY Use of perpetual inventory system for merchandise inventory... Units Unit Cost Beginning inventory 400 $33 Purchase: April 6 450 36 Sale: May 4 500 Purchase: July 19 470 39 Sale: September 9 380 Purchase October 10 100 45 Clark uses the perpetual inventory system and the LIFO method. Required: Using LIFO (a) Compute the cost of ending inventory. (b) Compute the cost of goods sold for the year