Elasticity of demand in the market for one-bedroom apartments is 2.0, elasticity of supply is 0.5, the

Question:

Elasticity of demand in the market for one-bedroom apartments is 2.0, elasticity of supply is 0.5, the current market price is $1,000, and the equilibrium number of one-bedroom apartments is 10,000. If the government imposes a price ceiling of $800 on this market, predict the size of the resulting apartment shortage.