The Following Information Was Given Regarding a Proposed Project at Field

The following information was given regarding a proposed project at Field Corp. (FC) .
$\begin{array}{|c|r|}\hline \text { Probability (S) } & \text { Poticutial Profir (S) } \\\hline 40\% & \$ 10,000 \\\hline 25\% & \$ 15,000 \\\hline 50\% & (\$ 20,000) \\\hline 30\%& \$ 5,000 \\\hline\end{array}$
-This project's standard deviation is ___________.

A) $5,626
B) $8,254
C) $7,462
D) $2,597