9 Ritter Corporation's accountants prepared the following financial statements for year- end. 5.55 points RITTER CORPORATION Income Statement 020 Revenue $1,060 Expenses 730 Depreciation 75 Skipped ERT Taxes $ 255 102 Book Net Income $ 153 Dividends Print $38 Reference RITTER CORPORATION Balance Sheets December 31 2019 2020 Assets Cash $ 69 $ 80 Other current assets 219 280 Net fixed assets 685 822 Total assets $ 973 $ 1,182 Liabilities and Equity Accounts payable Long-term debt Stockholders equity $ 271 $ 285 0 BO 202 817 Total Habilities and equity $ 973 $1182 a. What is the change in cash during the year 2020. (Do not round intermediate calculations.) b. Determine the change in net working capital in 2020. Do not round Intermediate calculations.) Determine the cash flow generated by the firm's acts during the year 2020 (A negative answer should be indicated by a minus sign. Do not round Intermediate calculations) Change b. Change in the ccante