Consider the demand curve Q=100-5P. Draw the demand curve and indicate which portion of the curve is elastic, which portion is inelastic, and which…

Consider the demand curve Q=100-5P.

Draw the demand curve and indicate which portion of the curve is elastic, which portion is inelastic, and which portion is unit elastic.

What is the elasticity of demand at the price of P=$15?

At the price of P=$15, calculate the revenue for the seller?

At what price the revenue is maximized?