1. Discuss the law of demand. Graph the following demand- supply equations: Qd= 100- 0.5P Qs = P
2. Compute the equilibrium price and quantity. Discover the excess demand, if the price is set at $50.
3. Presume the government imposes a tax ($2/unit) on the seller. Decide the new equilibrium price and quantity.
4. Compute the amount of tax revenue, and show it on a diagram.