Please answer this

The following table provides the information on the ability of a husband and wife doing these two tasks Cleaning the house Cooking Wife 60 minutes 100 minutes Husbad 40 minutes 60 minets a) What would be the cost of cleaning and cooking if they both lived separately? b) What would be the cost of cleaning and cooking if they lived together and divide the tasks by half? c)How much does Wife cook in 60 minutes? How much does Husband cook in 40 minutes? To minimize the costs, who you suggest cleaning and who to cook