An agent is always liable for a contract he or she enters into on behalf of an undisclosed principal. TRUE OR FALSE Trent was retained, in writing, to act as Post's agent for the sale of Post's memorabilia collection. To be Post's agent, Trent must be at least 18 years of age. TRUE OR FALSE A court will most likely pierce the corporate veil and hold a shareholder personally liable if the corporation has failed to elect S corporation status under the Internal Revenue Code TRUE OR FALSE A minor who operates a business cannot disaffirm business contracts entered into by his or her agents. TRUE OR FALSE