During 2014, Vanguard, Inc., changed to the LIFO method of accounting for inventory. Suppose that during 2013, Vanguard changed back to the FIFO method and the following year Vanguard switches back to LIFO again. Requirements What would you think of a companys ethics if it changed accounting methods every year? What accounting principle would changing methods every year violate? Who can be harmed when a company changes its accounting methods too often? How?