Six years ago, you purchased 200 common shares of a company for $32.55 per share. The stock pays an annual cash dividend of $1.52. The annual returns on the stock was (10%), 15%, 3%, (2%), 9%, and 4%. Calculate the standard deviation for your stock investment.

Select one:

a. 8.90%

b. 8.66%

c. 12.32%

d. 7.91%

e. 11.91%