Consider the following three statements and decide whether they are true or false. 1. If I know a firm's Net Profit Margin and Total Asset Turnover, I can calculate its Return on Assets. II. If I add cash, marketable securities and retained earnings together as they are presented on the Balance sheet, I will get a sense of the company's true cash position. III. If I know a firm's Debt Ratio, I can calculate the relative proportion of total equity in its capital structure. Select one: O a. All the statements are false. O b. Two of the statements are false O c. One of the statements is false. O d. All the statements are true