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Juan is debating whether or not to continue the recent lunch special promotion at his restaurant. The following graph shows the profit earned, y, from the number of lunch specials ordered per hour, x. A graph is a downward open parabola with its vertex at (2.5, 115) and passes through the points (negative 5, 0), and (10, 0). Use the graph to complete the following statements. If necessary, round to the nearest whole number. The maximum profit earned from lunch special orders per hour is about $ . The restaurant will break even after lunch specials are ordered. The interval on which the restaurant makes a profit is ( ,