Your class is selling boxes of flower seeds as a fundraiser. The total profit p depends on the amount x that your class charges for each box of seeds. The equation p= -0.5x2 + 36x - 99 models the profit of the fundraiser. What's the smallest amount, in dollars, that you can charge and make a profit of at least $102? To make the desired profit, the smallest amount you can charge for each box is $ (Round to the nearest cent as needed.)​