Indemnification

a. is often needed when an employer pays an employee’s claim.

b. will be allowed if an agent follows the directions of their principal, reasonably believing the directions to be lawful, even though the orders are subsequently shown to be unlawful.

c. will not be allowed if a doctor aggravates the injuries sustained by the plaintiff in an automobile accident and the driver who injured the plaintiff pays the entire judgment.

d. all of the above.