Surf's Up, a manufacturer of surfing supplies and training equipment, has the following selected data ($ in millions) Surf's Up Selected balance sheet data 2021 Total assets $937 Total liabilities 613 Total stockholders' equity 124 2020 $728 515 213 58 Surf's Up Selected income statement data 2021 Sales revenue $805 Interest expense 15 Tax expense 29 Net income 51 Based on these amounts, calculate the following ratios for 2021: (Do not round intermediate calculations, Round all final answers to 1 decimal place. Enter your answers in millions (i.e. 5,500,000 should be entered as 5.5).) Debt to Equity Ratio