2. Stanley owns a hardware store. At the end of the year, operation of the store has incurred explicit costs of $55,000. By choosing to operate the hardware store, Stanley has forgone other opportunities with value of $30,000. If Stanley has earned revenue of $75,000 from sales at the store, Stanley is earning
A. An economic profit equal to $20,000
B. An economic profit equal to $45,000
C. An accounting profit equal to $10,000
D. Am accounting profit equal to $20,000
E. A normal profit equal to $20,000
