Reconsider the previous exercise where the monthly salaries of the three people working in a small firm are $3500, $4000, and $4500. If instead of a $100 raise, everyone gets a 10% raise, how, if at all, would the standard deviation of the three salaries change?
A. The standard deviation would stay the same.
B. The standard deviation would increase.
C. The standard deviation would decrease.
D. Cannot be answered without doing calculations.