Assume the following relationships for the Caulder Corp.: Calculate Caulder's proft margin and debt-to-capital ratio assuming the firm uses only debt and common equity, so total assets equal total invested capital. Do not round intermediate calculations. Round your answers to two decimal places. Profit margin: Debt-to-capital ratio: Commonwealth Construction (CC) needs $3 milion of assets to get started, and it expects to have a basic earning power ratio of 25 \% 4 . CC will own no securities, all of its income will be operating income. If it so chooses, CC can finance up to 25% of its assets with debt, which will have a 10% interest rate. If it chooses to use debt, the firm will finance using only debt and common equity, so no preferred stock will be used. Assuming a 25\% tax rate on taxable income, What is the difference between CC's expected ROE if it finances these assets with 25% debt versus its expected ROE if it frances these assets entinely with common stock? Round your answer to two decimal places. percentage points