The Demand equation for an item currently being marketed is given by D(q) - -0.15 . q2 + 55, where D(q) is in $ that can be charged per unit, and q is in thousands of units that can be sold at that price. (For example, q=20 means 20,000 units can be sold. ) If 2,000 units are to be sold, at what price should each be set? (Be careful with units when you do your calculations!). The appropriate price = $ Submit