Product markets characterized by high suk costs will tend to have: O a. more firms. O b. fewer firms. O c. smaller firms. O d. more profitable firms. Which of the following government interventions causes the quantity of the good that is bought and sold to decrease? O I. Price Floors O Il. Price Ceilings O Ill. Subsidies O IV. TaxesA market is contestable if it has: O a. low sunk costs and low barriers to entry. O b. low sunk costs and high barriers to entry. O c. high sunk costs and high barriers to entry. O d. high sunk costs and low barriers to entry