Actual Authority of an Employee May Arise as a Result

Actual authority of an employee may arise as a result of which of the following?

A) a term in an employee's contract with the corporation
B) a provision in a resolution of the directors
C) the employee is orally delegated authority by a person authorized by the corporation to delegate it
D) the employee is appointed to an office, like president, which has authority attached to it
E) all of the above