The demand for tickets to an ethiopian camparanda film is given by D(p)= 200,000-10.00P,wher p is price of ticket. If the price of thicket is a12 birr,calculate price elasticity of demand for tickets and draw the demand curve

The demand for tickets to an ethiopian camparanda film is given by
D(p)= 200,000-10.00P,wher p is price of ticket. If the price of
thicket is a12 birr,calculate price elasticity of demand for tickets
and draw the demand curve