Iyana's profit is maximized when they produce a total of ___ rompers. At this quantity, the marginal cost of the final romper they produce is ___, an amount ___ than the price received for each romper they sell. At this point, the marginal cost of producing one more romper (the first romper beyond the profit maximizing quantity) is ___, an amount ___ than the price received for each romper they sell. Therefore, Iyana's profit-maximizing quantity occurs at the point of intersection between the ___ curves. Because Iyana is a price taker, the previous condition is equivalent to ___