Question: According to a news? story, the Web site Stickk offers a service where you give them money that they will donate to charity if you fail to go to the gym as often as you promise to.? (You can even have the money donated to an ?anti-charitylong dasha cause you disapprove? of.)?Source: Josh? Barro, "How to Make Yourself Go to the? Gym," New York Times?, January? 10, 2015. Why would anyone use this? service? Part 2 People who fail to go to a gym to work out as often as they promise A. are overly optimistic about their future behavior in attending the gym regularly and Stickk provides a financial incentive for them to reach these goals. B. illustrate the sunk cost? effect: avoiding the loss of money they already own? is, for some? people, a greater incentive than to pay the same amount of money for not reaching their goals at some future time. C. behave rationally because they calculated an accurate usage of the gym. D. want an incentive to donate to charity. Need Assignment Help?