Earthly Bliss dating service charges $100 per date that it arranges. All of its dates will accept an offer of marriage. In your estimation the quality of the potential spouses offered by the dating service can be measured by an index that runs from 0 to 100. The potential spouses are uniformly distributed over this range. Suppose you value a spouse at $50 per index point. If your dates were drawn at random from the Earthly Bliss pool, at what value of the index would you stop searching?