What is the " rule of thumb " for the - debt - to - total - assets ratio , and what does it mean ? a The debt - to - equity ratio is 45 % , which is a satisfactory debt - to - equity ratio . b The debt - to - total - assets ratio is 65 % , and creditors may not provide more debt financing to the company . The debt - to - total assets ratio is 50 % , and creditors will provide more debt financing . d The debt - to - total - debt ratio is 50 % , and creditors may be reluctant to provide more financing .