Given the above financial statements for Woodlands,

a. What was Woodlands operating cash flow for 2015?

b. What was the free cash flow for Woodlands in 2015?

Woodlands Inc. 2015 Income Statement ( $ in millions) Total operating revenues $3,806 Cost of goods sold 2,315 Selling, general, and administrative expenses 546 Depreciation 311 Earnings before interest and taxes (EBIT) $634 Interest expense 170 Pretax income $464 Taxes 162 Net income $302 Dividends 75 Woodlands Inc. Balance Sheet ( $ in millions) Assets 20152014 Liabilities and Stockholders' Equity 20152014 Cash and equivalents $503$227 Accounts payable $686$613 Accounts receivable 418522 Long-term debt 1,3001,350 Netproperty&equipment2,2902,264Capitalsurplus745745 Intangible assets 360360 Retained earnings \begin{tabular}{r} 579352 \\ \cline { 3 - 4 } \end{tabular} Total assets 4810$4,560