Could you explain in great detail why these are the correct answers w/ supporting evidence please?

Question Return on Capital Employed (ROCE) is a version of: Answer Return On Assets (ROA). Return On Equity (ROE). Retum On Investment (ROI). This is a trick question! None of the above is true. Question An individual who wishes to argue in favor of WATER over WIND: Answer could focus on multiple ratios and metrics that portray his preferred choice as better than the alternative choice. could focus on multiple ratios and metrics that portray his preferred choice as equal to the alternative choice, and could also discuss qualitative considerations that favor his preferred choice. would not be able to focus on ratios and metrics at all because all of the ratios and metrics portray his preferred choice as worse than the alternative choice. This is a trick question! None of the above is true Question An individual who wishes to argue in favor of WIND over WATER: Answer could focus on multiple ratios and metrics that portray his preferred choice as better than the alternative choice. could focus on multiple ratios and metrics that portray his preferred choice as equal to the alternative choice, and could also discuss qualitative considerations that favor his preferred choice. would not be able to focus on ratios and metrics at all because all of the ratios and metrics portray his preferred choice as worse than the alternative choice. This is a trick question! None of the above is true. Question The Minimum Return On Investment expectation: Answer should generally be the same for all firms in an industry that sell competing products. should generally be the same for all firms in an industry that serve the same customer base. should generally be the same for all firms in an industry that obtain capital from the same investor base. may vary between firms because of different cost and revenue strategies, even though the firms may be selling competing products to the same customer base and raising funds from the same investor base