please show and explain work

(6p) Rocket Engineering Inc. has the following book value balance sheet: Assets Current assets $ 195,000,000 237,000,000 Total Debt and Equity Total debt $ Equity Common stock $ Capital surplus Accumulated retained earnings Total shareholders' equity $ 45,000,000 88,000,000 190,000,000 Net fixed assets 365,000,000 323,000,000 Total assets $ 560,000,000 Total debt and shareholders' equity $ 560.000.000 What is the debt-equity ratio based on book values? Suppose the market value of the company's debt is $238.2 million and the market value of equity is 5740 million What is the debt-equity ratio based on market values