Which is the 4th riskiest asset based on the information below? [Select] Corp S&P 500 Small Stocks Bonds World Portfolio Treasury Bills CPI Average return 2.55% 15.65% 5.35% 2.94% 0.83% -1.48% Variance: 0.10179 0.50460 0.00129 0.06968 0.00020 0.00221 > Standard 31.90% 71.03% 3.59% 26.40% 1.40% 4.70% deviation: Which is the 4th riskiest asset based on the information below? [Select] Corp S&P 500 Small Stocks Bonds World Portfolio Treasury Bills CPI Average return 2.55% 15.65% 5.35% 2.94% 0.83% -1.48% Variance: 0.10179 0.50460 0.00129 0.06968 0.00020 0.00221 > Standard 31.90% 71.03% 3.59% 26.40% 1.40% 4.70% deviation: