Demand in the widget market is given by QD = 30 - P, and supply is given by Qs = P + 6. The government imposes a tax on suppliers of t on every widget sold. After the tax is imposed, what is the total price per widget paid by widget buyers? What is the net price received by sellers (after paying the tax to the government)? What is the dollar amount of the dead-weight loss caused by the tax? What is the revenue raised by the government, and for what level of taxation is it highest?