Question) For a well-diversified portfolio the appropriate measure of portfolio performance would be: a. The Universe Comparison approach because it uses standard deviation as the risk measure b. The Treynor Ratio measure because it evaluates portfolio performance on the basis of return and diversification c. The Information Ratio (IR) measure because it uses beta as the risk measure d. The Sharpe Ratio measure because it evaluates portfolio performance on the basis of return and diversification