Lou and Alex Live Together and Share Household Chores

Multiple Choice

Lou and Alex live together and share household chores.They like to cook some meals ahead and eat leftovers.Suppose that in one hour Lou and Alex can do the following:

-For Alex,the opportunity cost of cleaning one room is ________ meal(s) ;for Lou the opportunity cost of cleaning one room is _________ meal(s) .

A) 1;4/5
B) 1;5/4
C) 1.5;2.5
D) 5/3;4/3
E) 3;5