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.
The method of determining whether a firm is in a state of normal profit can be represented in the following way: Total Revenue - (Explicit Expense + Implicit Expenses) = 0. If the difference between total revenue and total expenses is not equal to zero, the business in question is not in a state of normal profit.he method of determining whether a firm is in a state of normal profit can be represented in the following way: Total Revenue - (Explicit Expense + Implicit Expenses) = 0. If the difference between total revenue and total expenses is not equal to zero, the business in question is not in a state of normal profit.