The following table shows marglnal and average total cost schedules for a perieclly competitive rm. Currently the market price in this industryr is $4 Output (units) Marginal Cost Average Total Cost (0) (MC) (AT0) o __ _ l 1 6 2 2 4 3 3 3 4 4 4 5 5 4 A proflt-maximlzing rm will produce units {Enter your response as an integer}