Sophia Co., a cellular phone company based in Italy, prepares its financial statements in accordance with iGAAP. In $2010,$ it reported average assets of $€ 12,500$ and net income $€ 1,125 .$ Included in net income is amortization expense of $€ 120 .$ Under U.S. GAAP, Sophia's amortization expense would have been $€ 325 .$ Briefly discuss how analysis of Sophia's 2010 return on total assets (and comparisons to a company using U.S. GAAP) would be affected by differences in intangible asset amortization between ¡GAAP and U.S. GAAP.