5. The accompanying table shows the supply and demand schedules for used copies of the fourth edition of a textbook. The supply schedule is derived from offers at dealoz.com. The demand schedule is hypothetical. (15 points) Price of book Quantity of books demanded Quantity of books supplied $15 100 0 20 90 6 25 80 15 30 70 20 35 60 22 40 50 30 45 40 40 50 30 45 55 20 55 60 10 65 65 0 75 a. What is the equilibrium price? b. How many textbooks will be bought and sold? c. Now the fifth edition of this textbook becomes available - the availability of a substitute shifts the demand curve. Willingness to pay falls by $10. In a table, show the new demand schedule. Supply schedule unchanged. Price of book Quantity of books demanded Quantity of books supplied