Question

If arnold thinks his last dollar spent golfing yields less satisfaction than the last dollar spent on movies, and arnold is a utility-maximizing consumer, he should

Answer 1

If that being said, Arnold thinks he has less satisfaction on golfing yields than the last dollar he spent on the movies. Then Arnold should at least spend his time more on movies and golfing yields less if he is a utility-maximizing consumer. This will help him a lot more.