Ritter Corporation's accountants prepared the following financial statements for year-en 2012: (Do not round intermediate calculations.) RITTER CORPORATION Income Statement 2012 Revenue $ 770 Expenses 575 Depreciation 92 Net income Dividends $ 103 $ 83 RITTER CORPORATION Balance Sheets December 31 2012 2011 Assets Cash $ 69 $ 57 Other current assets 174 167 Net fixed assets 392 372 Total assets $635 $596 Liabilities and Equity Accounts payable Long-term debt Stockholders' equity $ 129 149 357 $ 117 142 337 Total liabilities and 4625 506 Balance Sheets December 31 2012 2011 Assets Cash $ 69 $ 57 Other current assets 174 167 Net fixed assets 392 372 Total assets $635 $596 Liabilities and Equity Accounts payable Long-term debt Stockholders' equity $ 129 149 357 $ 117 142 337 Total liabilities and equity $635 $596 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