Smith Petroleum, Inc., contracts to sell oil to Jones Petrochemicals, telling Jones that it is acting on behalf of “a rich Saudi Arabian who doesn’t want his identity known.” Smith signs the contract, “Smith, as agent only.” In fact, Smith is acting on its own. If the contract is breached, Smith may

a. not be liable because Smith signed the contract as an agent.

b. not be liable unless Jones knew Smith did not have authority to act.

c. be liable unless Jones knew Smith did not have authority to act.

d. be liable because Smith signed the contract as an agent.