just the answers no need explanation and i have 30min so please fast .

QUESTION 7 Which of the following statements is true? O A. The DuPont Identity is used to calculate Return on Assets. OB. A company can imporve their P/E ratio by improving their EPS. O C. A Market to Book ratio greater than 1 always means the stock is undervalued. D. All of the statements are false. QUESTION 8 Which of the following statements is true? O A. Profit margin is calculated by dividing total assets by sales. B. Return on Equity rises if equity increases and net income remain constant. OC. A 10% increase in cash will lead to a greater Cash Ratio OD. The current ratio increases if the current liabilities increase