A firm has the following balance sheet information: total assets = $100,000; current assets = $30,000; inventories = $10,000; cash = $5,000; total liabilities = $30,000; current liabilities = $15,000; notes payable = $2,000, equity = $70,000. What is the firm's current liabilities to total debt ratio?

Group of answer choices

33.33%

66.66%

25%

50%