At the time of purchase, Remington Steel Corporation cost $25 per share. The current stock price is $29.73 per share. Over the five-year holding period, Remington Steel produced the following annual returns: +8%, 0%, -2%, +7%, +5%. What is the standard deviation of the annual returns for this sample? (recurring content problem) O 3.60% O 4.39% O 3.93% O 4.51% O 3.36%