If the famous basketball player Michael Jordan is also the fastest typist in the world, then he has a(n) ______advantage at typing. However, it is still his secretary, not Michael Jordan, who has the ____ advantage at typing, because his _______ cost of typing is much higher than that of his secretary. Suppose you and your roomate want to clean the house and cook a magnificent dinner for your friends one night. If you are a better chef, and your roommate cleans faster and better, then you will both be better off if _____________________________. If your roommate cooks much better than you and cleans a little better than you, then you will both be better off if _________.