7. a. Briefly discuss different types of mutual funds that mutual fund companies offer including: (1) index funds, (2) actively managed diversified funds; (3) mutual funds with a diversified allocation; (4) sector investing; (5) style investing including different types of style investing (value, growth, blend, aggressive growth); (6) hybrid asset allocation or balanced funds; (7) target date funds; (8) Socially Responsible Mutual funds (often called impact funds).; and (9) Multi-alternative Strategy Funds and Commodity Funds.

b. Why are index funds cheaper than actively managed funds?