She is the chief investment officer of her firms pension plan some members of the steering committee are interested in index fund for the companies pension fund which of the following is a reason to select index fund for use in the pension fund index fund may employ market timing techniques from time time in Greece returns the purpose of an index is the long$-$term performance of index such as SP $500$ index fun has a high ministry of cost the use of an index fund is indicative of an active portfolio management