Portfolio Performance Is Often Decomposed into Various Subcomponents Such as the Return

Multiple Choice

Portfolio performance is often decomposed into various subcomponents such as the return due to ___________.
I.broad asset allocation across security classes
II.sector weightings within equity markets
III.security selection with a given sector
The one decision that contributes most to the fund performance is

A) I
B) II
C) III
D) All contribute equally to fund performance