A company manufactures and sells x transistor radios per week. The weekly cost and price demand equations are C(x)=5000+2x and p=10-.001x where x can be no more than 10000 units. The government has decided to tax the company $2 for each radio produced. Taking into account this additional cost, how many radio should the company manufacture each week in order to maximize its weekly profit? What is the maximum weekly profit? How much should the company charge for the radios to realize the maximum weekly profit?