please show formulas and work

1. Assess Yellow Hammer's income statement by calculating the sales growth, EBITDA profitability (EBITDA/Sales) and coverage ratios using EBIT and EBITDA for each year. SHOW YOUR WORK (5 points) 2. Assess Yellow Hammer's balance sheet by calculating the leverage ratios using of Debt/Capitalization and Debt/EBITDA. SHOW YOUR WORK ( 5 points) 3. If Yellow Hammer had reduced its QSO to 30 days in 2021 and used the funds saved to down short-term debt, what would be the new Debt/Cap and Debt/EBITDA ratios for 2021 ? SHOW YOUR WORK (5 points) Yellow Hammer Corporation Income Statement Year Ended Dcember 31 (in \$ millions)