(a) A contract or other transaction between a corporation and one or more of the directors of the corporation, or between a corporation and a corporation, firm, or association in which one or more of the directors of the corporation has a material financial interest, is neither void nor voidable because the director or directors or the other corporation, firm, or association are parties or because the director or directors are present at the meeting of the board that authorizes, approves, or ratifies the contract or transaction, if the material facts as to the transaction and as to the director's interest are fully disclosed or known to the

1. (1) shareholders and the contract or transaction is approved by the shareholders in good faith, with the shares owned by the interested director or directors not being entitled to vote; or
2. (2) board, and the board authorizes, approves, or ratifies the contract or transaction in good faith by a sufficient vote without counting the vote of the interested director or directors, and the person asserting the validity of the contract or transaction sustains the burden of proving that the contract or transaction was just and reasonable as to the corporation at the time it was authorized, approved, or ratified.