Calculate the debt-to-assets ratio for Company MNO, given its total debt of $2 million and total assets of $8 million. Explain the debt-to-assets ratio as a measure of a company's financial leverage, indicating the proportion of assets financed by debt relative to total assets. Discuss the significance of the debt-to-assets ratio in evaluating financial risk, solvency, and its implications for capital structure decisions and creditworthiness.