4. Henrik Stenson, the president of Spartan Company, is pleased. Spartan substantially increased its net income in 2008 while keeping the number of units in its inventory relatively the same. Brett Quiney, chief accountant, cau¬

tions Stenson, however. Quiney says that since Spartan changed its method of inventory valuation, there is a con¬

sistency problem and it would be difficult to determine if Spartan is better off. Is Quiney correct? Why?