Which quote best represents a person performing a cost-benefit analysis​

Which of the following statements is (are) true? i. free entry to a perfectly competitive industry results in the industry's firms earning zero economic profit in the long run, except for the most efficient producers, who may earn economic rent. ii. in a perfectly competitive market, long-run equilibrium is characterized by lmc < p < latc. iii. if a competitive industry is in long-run equilibrium, a decrease in demand causes firms to earn negative profit because the market price will fall below average total cost.

How success was the first day of the bus boycott

Which of the following is correct? a. a tax burden falls more heavily on the side of the market that is more elastic. b. a tax burden falls more heavily on the side of the market that is less elastic. c. a tax burden falls more heavily on the side of the market that is closer to unit elastic. d. a tax burden is distributed independently of the relative elasticities of supply and demand.