Medfield College's $10 million endowment fund is not allowed to spend any contributed capital or any capital gains. The fund may spend only investment earnings. The fund is expected to need between $500,000 and $1,000,000 to pay for new lab equipment for the science building. Which of the following is (are) true? 1. The fund should have a target rate of return of at least 10%. II. The limitations on spending require that the fund limit its considerations to growth stocks. III. The requirement to spend money out of the fund this year provides a liquidity constraint that may reduce the fund's rate of return