Harry usually spends 10 hours a week eleher playlng Football or stugy economics courses. His Economics exam lis coming next week and be needs more fime to study for the exam. If he does not study at al the lowest grade he will receloe is 11. But harry realires that this grade is unacceptable and so he has to give up some of his Foctball time. But how much? He asks his fatend Hermicoe. pho is very good at Magical Ecenomics, to help him figure this out. Together, they, come up with the schedules of Harry's poss bililes and values in the tables above. Then Hermione quichly finds the solufion. But Hariy stir looka puzzed Helo Hermione to explain her solution to Harry. Draw Hary/s production posilililes frontier wath the Fostball houre on the horizootal axls and Harfy's grade on the vertical axis. What is the opportunlty cost of the first hour of playing Footbal?? What is the marginal cost of the 5 th hour of plaging foothat? What by Haryys opportunity cost of raising his grade foem 52 points ta 71 pehts? hours playing foatbalf Norr drave Harty's marinal cost of glayieg Footbalt ciarve What as the margnal cost of playing footbal from 2 hours to 3 bours