please help 13 to 16

13. Debt equity ratio: 0.6 14. ROE- 15. ROE( 16. What are four categories of financial ratios, other than the market value ratio 17. Under what circumstances, (a) Is the current ratio a preferred measure of a firm's liquidity? (b) Is the quick ratio (acid test ratio) a preferred measure of a firm's liq (c) Is the cash ratio a preferred measure of a firm's liquidity