Suppose the weekly demand for a certain good in thousands of units, is given by the equationP= 38 - 2Q, and the weekly supply curve of the good by the equationP= 14 +Qwhere P is the price in dollars. Finally, suppose a per-unit tax of $9, to be collected from sellers is imposed in this market. Complete the following questions.

Note:If necessary round your answers to two decimal places.

a)Graph the weekly demand, supply (pre-tax), and supply (post-tax) equations.