Accountants tell a franchise owner that she earned $30,000 in profits last year. The owner knows that most of her business acquaintances earned at least $70,000 in profits in similar franchises. Which of the following is true? Her firm earned an economic __________.
A. Profit of $30,000
B. Profit of $100,000
C. Loss of $100,000
D. Loss of $40,000