U = E(r) (A/2)s², where A = 4.0.

Use the below information to answer the following question.

Investment	Expected Return E(r)			Standard Deviation
1		0.12			0.13
2		0.15			0.15
3		0.21			0.16
4		0.24			0.21

a) Based on the utility function above, which investment would you select

b)Which investment would you select if you were risk neutral