If a Firm Is Earning Zero Economic Profits

Multiple Choice

If a firm is earning zero economic profits:

A) its revenues are sufficient to pay explicit costs,but not implicit costs.
B) the owner will not be able to pay himself or herself a salary.
C) it will shut down in the long run,but will continue to operate in the short run.
D) the owners are earning a return on their time and investment that is equal to the opportunity costs of that time and investment.