In terms of mere instrumental value, this work decision had many costs: a lower salary (alas), much longer hours, more headaches and stress, and greater responsibilities. But this work also provides other important values, not the least of which is the fact that she is carrying on a legacy begun by her great-¬grandfather. This is what we might mean by the "social value" that work can have. Bill Gates's dedication to the company he founded likewise can explain why he continues to work when he has no financial need to do so.