A monopolistically competitive firm is producing at an output level in the short run where average total cost is $4.75, price is $4.75, marginal revenue is $3.00, and marginal cost is $3.50. This firm is operating Multiple Choice with a loss. at the break-even point. with positive profits. at an optimal level of output.

Trade will take place: a. if the maximum that a consumer is willing and able to pay is less than the minimum price the producer is willing and able to accept for a good. b. if the maximum that a consumer is willing and able to pay is greater than the minimum price the producer is willing and able to accept for a good. c. only if the maximum that a consumer is willing and able to pay is equal to the minimum price the producer is willing and able to accept for a good. d. none of the above.