76. Agent's exercise of discretion.

76.     Agent's exercise of discretion.

Where no definite instructions have been given to the agent, or where his instructions leave him a discretion, the agent must be guided by the honest exercise of his own judgment and the interests of his principal1. If his instructions leave two alternative courses open to him, he incurs no liability merely because he chooses that course which proves in the event less favourable to his principal2. Where he is a professional agent, he must follow the ordinary course of such a business3, which includes the ordinary course