Companies Barrett and Roach are of the same size. Both have $40 million in total assets, $8 million of EBIT, and has a 25% income tax rate. Barrett, however, has a debt ratio (D/A) of 60% and pays 13% interest on its debt, whereas Roach has a 40% debt ratio and pays only 11% interest on its debt. Questions: 1. Calculate Barrett's and Roach's respective amounts of debt (in US\$)? 2. Calculate Barrett's and Roach's respective net profits (in US\$)? 3. Calculate Barrett's and Roach's respective return of assets (ROA)? 4. Calculate Barrett's and Roach's respective return on equity (ROE)? (Note: For each question, please show detailed explanations as to how you proceed to your answer along with detailed calculations)