Performance of Major Investment Classes 1995-2015 U. S. Equities Treasury Bills Government Bonds Corporate Bonds International Equities Compound annual return 10.21% 4.89% 7.05% 7.79% 10.35% Standard deviation 17.55% 3.52% 2.74% 2.57% 21.60%

Over the period 1995-2015, the risk-return relationship appears to be

a) random.

b)negative.

c)perfectly positive.

d)generally positive, but not perfect.