Which of the following statements is/are true with respect to feasible set of portfolio?I. Feasible set is also known as opportunity set. II. It represents all the portfolios that could be formed from group of N securities. III. Feasible set is also called efficient set

• A. Only (I) above
• B. Only (II) above
• C. Only (III) above
• D. Both (I) and (II) above