Deep answer The following table illustrates the points a student can earn on examinations in economics and biology if the student uses all the available hours for study. Plot this student's production possibility curve (PPC). Does the PPC illustrate the law of increasing additional cost?

Economics	Biology
100	40
90	50
80	60
70	70
60	80
50	90
40	100

Graph the supply and demand curves for tablet devices using the information in the table. What are the equilibrium price and quantity? If the industry price is $340, is there a shortage or surplus of tablet devices? How much is the shortage or surplus?