Current assets are $200,000, long term assets are $300,000, current liabilities are $100,000, long-term liabilities are $200,000, paid-in capital is $150,000, and retained earnings total $50,000. What is the debt-to-total-assets ratio? O 0.6 or 6 to 1 0.2 or 2 to 1 O 0.9 or 9 to 1 O 0.4 or 4 to 1