elasticity

Demand for chocolate chip cookies. Good Times Bakers works out a demand function for its chocolate chip cookies and finds it to be q = D(x) = 967 - 25x where q is the quantity of cookies sold when the price per cookie, in cents, is x. a) At what price is the elasticity of dernand equal to 1? [Round to the nearest cent) by At what prices is the clasticity of demand clastic? X answer in part a. (] c) At what prices is the clasticity of demand inelastic? answer in part a. () d) At a price of 20c per cookie, will a small increase in price cause the total revenue to increase or decrease? (Increase or Decrease)