Q1 :when an agent, acting within the scope of his or her authority, contracts with a third party, the agent is NOT contractually liable when the third party ____ (check all that apply):

A. whenever an agent is acting on behalf of the principal,

B. knows the agent is acting on behalf of a principal and knows the principal's identity,

C. knows the agent is acting on behalf of a principal but does not know the principal's identity,

D. thinks the agent is acting on its own and not on behalf of another principal