Computing Return on Equity and Return on Assets The following table contains financial statement information for Wal-Mart Stores, Inc. ($ millions) Total Assets Net Income Sales Equity 2011 $180,663 $16,389 $421,849 $68,542 2010 170,407 14,370 408,085 70,468 2009 163,429 13,381 404,254 65,285 (a) Compute the return on equity (ROE) for 2010 and 2011. (Round your answers to one decimal place.) 2011 ROE =Answer% 2010 ROE =Answer%