Which of the Following Statements Is Incorrect

Multiple Choice

Which of the following statements is incorrect?

A) Tour operators act as the principal in the provision of travel services while travel agents act just as agents.
B) Tour operators can be held responsible for the failure to deliver services while travel agents are not.
C) The main source of income for travel agents and tour operators comes from the commission earned from the sale of a package.
D) Travel agents can act both as an agent and a principal.