Sasha is an agent for ABC Insurance Company. Under her agent contract, she is allowed to use the company's logo on her office door and on her business cards. What authority type does this illustrate?

Answer: Express authority

Explanation: Express authority is when an agent has permission under a contract to act on a principal's behalf. This can come in the form of writing or orally. In terms of Sasha, who is an agent for ABC insurance, her contract states that she is allowed to use the company's logo for her business cards and to put on her office door. This means that the contract specifically gives her permission to do so. This is expressive, as the principal has granted Sasha, the agent, permission to do this under her contract.