Alan is a trained and licensed plumber. He carelessly installed a steam heater in Bobs restaurant, and, as a result, Bob was seriously burned when a heater pipe exploded. Claire is a qualified medical doctor who treated Bob at the hospital. She prescribed an incorrect medication as treatment for the burn, which made Bobs injury worse. Bob had to undergo an expensive and painful skin graft operation to correct his condition.

a) Discuss Alans responsibility to Bob (3 points)

b) Claires responsibility to Bob (3 points)