(1) The board has authority to establish a comprehensive investment plan for the purposes of this article, to invest any funds of the MACS Trust Fund in any instrument, obligation, security or property that constitutes legal investments for public funds in the state, and to name and use depositories for its investments and holdings. The comprehensive investment plan shall specify the investment policies to be utilized by the board in its administration of the funds. The board may authorize investments in any investment vehicle authorized for the Mississippi Prepaid Affordable College Tuition (MPACT) Program under Section 37-155-9. However, the restrictions in Section 37-155-9 as to percentages of the total fund that may be invested in any category of authorized investment shall not apply to the MACS Trust Fund. The program account, in its discretion, may invest in obligations of the state or any political subdivision of the state or in any business entity in the state. Notwithstanding any state law to the contrary, the board shall invest or cause to be invested amounts on deposit in the MACS Trust Fund, including the program account, in a manner reasonable and appropriate to achieve the objectives of the program, exercising the discretion and care of a prudent investor in similar circumstances with similar objectives. The board shall give due consideration to the risk, expected rate of return, term or maturity, diversification of total investments, liquidity and anticipated investments in and withdrawals from the MACS Trust Fund.