1. Unless otherwise provided in the articles or bylaws, a quorum for a meeting of shareholders is the holders of a majority of the voting power of the shares entitled to vote at the meeting.

2.    Except as provided in subdivision b, a quorum is necessary for the transaction of business at a meeting of shareholders.

a.    If a quorum is not present, a meeting may be adjourned from time to time for that reason.

b.    If a quorum has been present at a meeting and shareholders have withdrawn from the meeting so that less than a quorum remains, the shareholders still present may continue to transact business until adjournment.