4. The reason why a style custom benchmark portfolio for the Magellan fund does not match the returns on the Magellan fund is because of the following possibilities: a. The fund manager may be changing weights in the different asset classes during the sample period b. The fund manager may be changing the weights in individual assets within each asset class. c. The fund manager may be under or over weighting particular securities in a particular asset class rather than equally weighting or value weighting the securities in an asset class. d. All of the above might possibly cause this deviation