Ritter Corporation's accountants prepared the following financial statements for year-end 2012: (Do not round intermediate calculations.) RITTER CORPORATION Income Statement 2012 $890 635 104 $ 151 $131 RITTER CORPORATION Balance Sheets December 31 2012 Revenue Expenses Depreciation Net income Dividends Assets Cash Other current assets Net fixed assets $93 198 404 2011 $69 179 384 Total assets $695 $632 Liabilities and Equity Accounts payable Long-term debt $153 $129 173 154 Stockholders' equity 369 349 Total liabilities and equity $695 $632 a. What is the change in cash during 2012? Change in cash $ b. Determine the change in net working capital in 2012. Net working capital $ c. Determine the cash flow generated by the firm's assets during 2012. Cash flow from $ assets