A party has the right to terminate an agency agreement without compensation in all but which one of the following situations?

The principal and agent agree on an agency relationship to sell a boat, and the boat is destroyed in a storm.

The agent and principal agreed to a one year agreement and the agent terminated after six months.

A plumber, an agent of a contractor, has his mandatory plumbers license revoked.

A travel agent files for a Chapter 7 business bankruptcy.