b) It is often understood that investing in stocks appearing on the OTC Pink sheets is very risky. Why do you think this is so? Briefly explain the reasons. (50 - 60 words) c) Your mother has a portfolio of stocks and she feels worried that if stock prices fall, the portfolio will lose value. You have read about Stock Index Futures in your course and are thinking of helping your mother with her predicament. Briefly advise your mother about what stock index futures are, how they can be helpful and whether she should buy or sell such futures. (50 - 100 words)