Lou and Alex Live Together and Share Household Chores

Lou and Alex live together and share household chores.They like to cook some meals ahead of time and eat leftovers.The table below shows the number of rooms they can each clean and the number of meals they can each cook in an hour. If Alex and Lou work out an efficient arrangement for these two chores, then under that arrangement:

A) Alex and Lou each would do half of the cooking and half of the cleaning.
B) Alex would do all of the cleaning, while Lou would do all the cooking.
C) Lou would do all of the cleaning and all of the cooking.
D) Lou would do all of the cleaning, while Alex would do all of the cooking.