Which of the following(s) affects the composition of the optimal risky portfolio?

I. Expected returns of assets

II. Standard deviations of assets

III. Risk-aversion

IV. Correlation among assets

V. Risk-free rate

	A.	I, II, III, and IV
	B.	I, II, and III
	C.	I, II, IV, and V
	D.	I, IV, and V
	E.	I, II, and IV