A Man Can Rewire a House in 12 Hours and Can

Multiple Choice

A man can rewire a house in 12 hours and can panel a room in 15 hours,and his teenage son can rewire a house in 18 hours and can panel a room in 16 hours.Who is more efficient in rewiring a house,and who is more efficient in paneling a room?

A) The father is more efficient at both activities.
B) The father is more efficient at rewiring a house,and the son is more efficient at paneling a room.
C) The father is more efficient at paneling a room,and the son is more efficient at rewiring a house.
D) The two are equally efficient at both activities.