O Net markups, but not net markdowns. 2 points 15. When using the dollar-value LIFO method, in order to determine if a new layer of inventory has been created: Compare beginning and ending inventory amounts at current year prices. Compare beginning and ending inventory amounts after adjusting both amounts to the average price level for the year. Inflate beginning inventory amount to end of year prices and compare to ending inventory amount. Deflate the ending inventory amount to base year prices and compare to the beginning base year inventory amount