Patricia, a professional gambler, had the following income and expenses in her business: Gambling winnings$275,000Expenses Fees paid for illegal information 18,000Travel costs$8,000Office expenses 5,000Supplies 3,000Business long-distance phone charges 1,000Tickets for illegal parking 900How much net income must Patricia report from this business?
A. $239,100.
B. $240,000.
C. $258,000.
D. $0.

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.