You have a test coming up and you are trying to figure out how much to study. You have estimated that studying the number of hours below will yield the following benefits and costs. The benefit is the extra points you will receive and the cost let's say it time you could have done something else. What is the most efficient number of hours that should be studied? Why? Hours Spent Studying Marginal Benefit Marginal Cost 10 AWN- DO AN 6