Stock A has four possible scenarios with probable return outcomes as below.

What is Stock A's risk (standard deviation)? Please write your answer as a percentage with two decimals without the sign (e.g. if your answer is 20.22%, write 20.22)

(To calculate the STDEV, you must calculate the variance first)

Scenario Probability HPR (%)

Recession 10% -40%

Stagnant 20% -5%

Growth 40% 10%

Boom 30% 35%