The market value of an investors portfolio is currently $450,000. The investor requires that the portfolio be worth at least $500,000 in three years time. Which of the following securities should the investor purchase? a) A 3-year CDIC-guaranteed GIC with an interest rate of 3% compounded annually. b) A 3-year Government of Canada zero couon bond trading at a price of 90. Oc) A short-term bond mutual fund that has a 3-year compound annual return of 4%. d) A money market mutual fund with a current yield of 4%