In addition to any vote otherwise required by law, by the certificate of incorporation of the corporation, or by the bylaws of the corporation, a business combination shall be approved by the affirmative vote of at least:
Eighty percent (80%) of the votes entitled to be cast by outstanding shares of voting stock of the corporation, voting together as a single class; and
Two-thirds (2/3) of the votes entitled to be cast by holders of voting stock other than voting stock held by the interested shareholder who is (or whose affiliate or associate is) a party to the business combination or an affiliate or associate of the interested shareholder, voting together as a single class.