# The market for smart phones is characterized by the following supply and demand functions: Supply: P=2Qs    Demand： P=42-Qd Where P denotes price, Qs denotes quantity supplied, Qd denotes...

The market for smart phones is characterized by the following supply and demand functions:

Supply: P=2Qs    Demand： P=42-Qd

Where P denotes price, Qs denotes quantity supplied, Qd denotes quantity demanded.

The government levies a tax of GBP 9 on each smart phone, collected from sellers. What fraction of the tax does the seller bear and what fraction does the buyer bear?