The supply and demand for solar panels are given by QS = 5P-5,000 and QP = 15,000-5P, where P is price per solar panel and Q measures the quantity of solar panels. Suppose the government provides a $500 subsidy per solar panel. a. Calculate the price consumers pay before and after the subsidy. b. Calculate the price producers receive before and after the subsidy. C. How much does the subsidy program cost the government?