Markowitz portfolio
There are three mutual funds NE, SE, EE and a rf of 5%.
NE SE EE
NE 0.0550 0.0425 0.0330
SE 0.0425 0.0400 0.0265
EE 0.0330 0.0265 0.0475

w* (-1,2691) NE
(1,7098) SE
(0,8219) EE
(-0,2626) rf

C) Based on the information that is given above and using the fact that Boris is an mean variance investor, calculate the expected returns of the three risky mutual funds NE, SE, EE.

I do not understand how you can calculate the returns without an level of risk aversion (A)

As far as I can come is the derivative of the Utility function (matrix):
μ^e-AΣw=0

Question

Markowitz portfolio
There are three mutual funds NE, SE, EE and a rf of 5%. 
	NE	SE	EE
NE	0.0550	0.0425	0.0330
SE	0.0425	0.0400	0.0265
EE	0.0330	0.0265	0.0475


w* 	(-1,2691) NE
	(1,7098) SE
	(0,8219) EE
	(-0,2626) rf

C) Based on the information that is given above and using the fact that Boris is an mean variance investor, calculate the expected returns of the three risky mutual funds NE, SE, EE. 

I do not understand how you can calculate the returns without an level of risk aversion (A) 

As far as I can come is the derivative of the Utility function (matrix):
μ^e-AΣw=0