Hans Can Do 4 Loads of Laundry Per Hour,and He

Multiple Choice

Hans can do 4 loads of laundry per hour,and he can type 6 pages per hour.Maria can do 12 loads of laundry per hour,and she can type 8 pages per hour.Maria's opportunity cost of typing one page is:

A) 4 loads of laundry.
B) 6 loads of laundry.
C) 3/2 of a load of laundry.
D) 2/3 of a load of laundry.
E) impossible to compute without additional information.