1. For cach of the following situations, decide whether Al has diminishing marginal utility. Explain. a. The more economics classes Al takes, the more he enjoys the subject. And the more classes he takes, the casier cach one gets, making him enjoy cach additional class cven more than the one before. b. Al likes loud music. In fact, according to him, the louder, the better." Each time he tums the volume up a notch, he adds 5 utils to his total utility. c. Al enjoys watching reruns of the old sitcom Friemds. He claims that these episodes are always funy, but he does admit that the more he sees an episode, the less funny it gets. d. Al loves toasted marshmallows. The more he cats, however, the fuller he gets and the less he enjoys cach additional marshmallow. And there is a point at which he becomes satiated: beyond that point, more marshmallows actually make him feel worse rather than better.