Which one of the following statements is TRUE? a. The supervisor-employee relation between a production line supervisor and a production line operator is an example of an agency relationship. b. An example of an agency relationship is when the CEO nominates a slate of candidates to be on the board of directors. c. In an agency relationship, the agent delegates authority to the principal. d. In an agency relationship, the principal delegates decision-making authority to the agent. e. An example of an agency relationship is when a supervisor hires a forklift operator.