1. The Following Questions Refer to Financial Ratios or the Statement of Cash Flows. [16 points) a) Which financial ratio measures profit as a percentage of net worth? (b) Which financial ratio summarizes the income statement by comparing profitability to operating revenue? (c) Which financial variable must be multiplied by the net profit margin ratio in order to calculate the return on assets ratio? (d) What is the numerical value of the debt ratio if the debt- to-equity ratio is equal to 4? (e) If the net cash flows from operating, investing, and financial activities sum to zero, what is the change in cash compared to last period? ( Which financial variable must be multiplied by the return on assets ratio in order to calculate the return on stockholders' equity ratio