What is the standard deviation of Target's returns?

	A.	1.86%
	B.	2.87%
	C.	3.56%
	D.	3.97%

\begin{tabular}{|l|r|r|r|r|r|} \hline & \multicolumn{1}{|c|}{ Month 1 } & Month 2 & Month 3 & Month 4 & Month 5 \\ \hline Netflix & 2.20% & 3.40% & 3.22% & 4.76% & 2.18% \\ \hline Facebook & 2.50% & 3.22% & 2.33% & 1.22% & 0.33% \\ \hline AMD & 1.20% & 1.00% & 0.55% & 2.59% & 5.79% \\ \hline Target & 1.88% & 0.75% & 1.22% & 2.55% & 1.44% \\ \hline \end{tabular}