A financial analyst covering Magnum Oil has determined the following four possible returns given four different states of the economy over the next period.

Probability	Return
0.10	-.20
0.25	-.05
0.40	0.15
0.25	0.30

Calculate the expected return and standard deviation for Magnum Oil.

	A.	E(R)=5.00% and E(SD)=26%
	B.	E(R)=10.25% and E(SD)=16%
	C.	E(R)=7.5% and E(SD)=20%
	D.	E(R)=10.25% and E(SD)=26%
	E.	E(R)=5.00% and E(SD)=16%