Suppose the demand and price for a certain model of youth wristwatch are related by p = D(q) = 16 - 1.25q, where p is the price in dollars and q is...

Suppose the demand and price for a certain model of youth wristwatch are related by p = D(q) = 16 - 1.25q, where p is the price in dollars and q is the demand (in hundreds). Find the price at each level of demand. Find the demand for the watch at each price.