Florida girl's death brings to light tonsillectomy risks. September 23, 2010|By Lorri Helfand and Letitia Stein, St. Petersburg Times. The recent death of a seemingly healthy, 12-year-old Pinellas County girl following a tonsillectomy may have many parents worried about one of the most common surgical procedures performed in children.
In a perfectly competitive market price is equal to marginal revenue. Price will also equal average cost. If price was greater than average cost the firms in the market would be making profit. This would lead to more firms entering (remember no barriers to entry) until profits are eliminated.
A firm in a purely competitive industry has a typical cost structure. The normal rate of profit in the economy is 5 percent. This firm is earning $5.50 on every $50 invested by its founders.What is its percentage rate of return?nswers. Best Answer: The rate of return is 5.50/50x100=11%. The firm is earning economic profit in the short run,compared to the normal profit of 5% in the long run.Other firms will enter the market.The long run rate of return is normal profit as given at 5%. Source(s):