RECOMMENDED!!In a perfectly competitive market, to maximize profit, the price should equal?

  

In a perfectly competitive market, to maximize profit, the price should equal?A.Average fixed costB. Explicit costsC. Average variable costD. Marginal costYour firm has a price of $4.00, An average total cost of $6.00, and an average variable cost of $3.00. In the short runyou should A. shut down or B. Operate because A. Average total cost B. Variable cost or C.Price exceeds A.Average variable cost or B. Price In the long run, you should A.Exit or B.Stay in, the market because A.Price or B.Average total costexceeds A.Average variable cost B.Price or C.Average total cost.What best describes a sunk cost?A.money sunk into reducing costsB. money paid that can not be recoveredC. Cost that vary directly with productionD. A fixed cost that can be resold or reted out.