please solve question 4 and 5

QUESTION 4 Which of the following is not a profitability ratio? O Return on Assets O Return on Equity Asset turnover ratio O All of the above are profitability ratios QUESTION 5 Al Muntazah Supermarket has current assets worth 5000, fixed assets worth 3450, current liabilities worth 1560, and non-current liabilities worth 2000, based on this calculate the net working capital