70&cmid=2802208&page=1 d. the demand but not the supply of automobiles 19. The demand for a new model of trainer has a unitary elasticity if: Select one: O a. any increase in the price leads to a 1 percent decrease in the quantity demanded. O b. a 9 percent decrease in the price leads to an infinite increase in the quantity demanded. O c.a 7 percent increase in the price leads to a 7 percent increase in total revenue. O d. a 6 percent increase in the price leads to a 6 percent decrease in the quantity demanded. 12. Suppose the demand for product A is relatively elastic. If the supply for this product decreases: Select one: O a. the equilibrium price and quantity will decrease O b. the equilibrium quantity will increase but the price will not change c. the equilibrium price will increase but the quantity will decrease d. the equilibrium price and quantity will increase