An investor wants to invest $20,000 but anticipates needing those funds in five years for a business investment. Currently, with inflation rising, the government is expected to take action to push interest rates up to reduce the money supply. Given these conditions, which of the following securities would be the least suitable for this investor who needs a specific amount of money in five years?
a. Zero-coupon bond maturing in 4 years
b. U.S. Treasury bonds maturing in 6 years
c. Corporate bonds maturing in 5 years
d. Zero-tranche CMO with estimated 5 years life
