Suppose Sally O'Neals pizza restaurant raises the price of a large cheese pizza from $8 to $10. As a result the quantity demanded of pizzas decreases from 50 to 40 . Because of the increase in the price of cheese pizza at Sally O'Neals, the quantity demanded of IPA beer has changed from 50 to 35 . Using the midpoint method, what is the percentage change in the quantity demanded of IPA beer? Select one: a. −30% b. −35.29% c. 36.5% d. 42.86%