Rob Took the Afternoon Off from His Job as a Tire

Multiple Choice

Rob took the afternoon off from his job as a tire salesman to mow his lawn.Rob told his wife that this made sense because he would be saving the $50 he would have to pay a lawn service, noting that this would be the opportunity cost to the family.Rob's wife disagreed.What did Rob's wife say?

A) The opportunity cost would be Rob's lost income from selling tires that afternoon plus the $50.
B) The opportunity cost would be Rob's lost income from selling tires that afternoon minus the $50.
C) That Rob just wanted to take the afternoon off.
D) The opportunity cost would be Rob's lost income from selling tires that afternoon.