Suppose, at a given point in time, Stephanie's Soda Fountain sells ice cream in a perfectly competitive market and is producing its profit-maximizing level of output. Suppose further that at this level of production its average total cost of producing ice cream is $3.30, average variable cost is $2.50, and price is $3.40. Over time, everything else held constant, the quantity of ice cream transacted will Increase/decrease/remain unchanged Explain why!