Which of the Following Statements Is Correct

Multiple Choice

Which of the following statements is correct?

A) In order to maximize profits in the short run, a price taker should always produce at the output level where marginal cost is equal to price.
B) In long-run equilibrium, a price taker will produce at an output level where average total cost is at its minimum.
C) A price taker will remain open in the short run, even if it is earning an economic loss, so long as price is sufficient to cover average variable cost.
D) All of the above are true.