Joy and Karl contract for the sale of Joy’s prize-winning show dog for $1,000. Unknown to either party, the dog has died. Karl is A) not required to…

19. Joy and Karl contract for the sale of Joy’s prize-winning show dog for $1,000. Unknown to either party, the dog has died. Karl is A) not required to pay due to the unilateral mistake.B) required to pay because he assumed the risk the dog might die. C) entitled to another dog of equivalent valueD) not required to pay due to the mutual mistake.