Given tax rate is 37%

(f) Infer the nonoperating return component of ROE for 2010. (Use answers from above to calculate. Round your answer to two decimal places.)

2010 NONOPERATING RETURN = 16.7. I need to know the formula that led to this answer?

NORDSTROM , INC . Consolidated Statements of Earnings For Fiscal Years Ended ( $ millions ) 2010 2009 2008 Sales $8, 258 $8, 272 $8, 828 Credit card revenues 369 301 252 Total revenues 8 , 627 8, 573 9 , 080 Cost of sales and related buying and occupancy costs - 5, 328 - 5 , 417 - 5, 526 Selling , general and administrative expenses Retail - 2 , 109 - 2 , 103 - 2 , 130 Credit -356 - 274 - 177\\ Earnings before interest and income taxes 834 779 1 , 247 Net interest expense - 138 - 131 - 74 Earnings before income taxes 696 648 1 , 173 Income tax expense - 255 - 247 - 458 Net earnings $441 $401 $715NORDSTROM, INC. Consolidated Balance Sheets ($ millions) Assets Current Assets Cash and cash equivalents Accounts receivable, net Merchandise inventories Current deferred tax assets, net Prepaid expenses and other Total current assets Land, buildings and equipment, net Goodwill Other assets Total assets Liabilities and Shareholders' Equity Current liabilities Accounts payable Accrued salaries, wages and related benefits Other current liabilities Current portion of longterm debt Total current liabilities Longterm debt, net Deferred property incentives, net Other liabilities Shareholders' equity Common stock, no par value Retained earnings Accumulated other comprehensive income (loss) Total shareholders' equity Total liabilities and shareholders' equity 30-Jan-10 31 -Jan-09 $795 2,035 898 238 88 4,054 2,242 53 230 $6,579 $726 336 596 356 2,014 2,257 469 267 L066 525 19 1 572 $6,579 $72 L942 900 210 93 3,217 2,221 53 170 $5661 $563 214 525 299 1,601 2,214 435 201 997 223 ~10 1 210 $5,661