Amazon.com stock prices gave a realized return of 5%, -5%, 11%, and -11% over four successive quarters. What is the annual realized return for Amazon.com for the year?

A) -1.46%

B) 2.91%

C) 0.00%

D) 1.46%

The S&P 500 index delivered a return of 20%, -10%, 20%, and 5% over four successive years. What is the arithmetic average annual return for four years?

A) 10.50%

B) 13.13%

C) 8.75%

D) 9.63%

3.

Ford Motor Company had realized returns of 20%, 30%, 30%, and 20% over four quarters. What is the quarterly standard deviation of returns for Ford calculated from this sample?

A) 5.77%

B) 5.20%

C) 6.06%

D) 4.62%