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Ultimately , they point out , the difference in treatment cost is likely to be a deciding factor : A 35-day trial of a sleep-inducing drug can cost about $ 166 , while five weeks of behavioral treatment cost about $ 350 , the authors write . " He adds , " The project cost about 25 percent more because of the extras , but it was worth it . Defending a patent claim costs about $ 2 million per side , per claim . The whole trilogy costs about 50 $ and is quite a bargain , when you consider the cost of other games on the market . A Softar filter costs about twice as much .