Consider the following financial data for Heavens-door Corporation: Cash $100 million Total fixed assets $280 million Annual sales $1,200 million Net income $418 million Inventory $180 million Current liabilities $134 million Current ratio 3.2 45 days Day's sales outstanding Average equity $550 million On the basis of these financial data, what is the firm's return on equity? O 76% O 30% O 114.6% O 71.6%