A bakery works out a demand function for its chocolate chip cookies and finds it to be q= D(x)=760-13x, where q is the quantity of cookies sold when the price per cookie, in cents, is x. Use this information to answer parts a) through f). a) Find the elasticity. E(x)=☐ b) At what price is the elasticity of demand equal to 1? (Round to the nearest cent as needed.) c) At what prices is the elasticity of demand elastic? OA. Prices cannot be elastic in this case OB. Less than 20 ◇ C. Prices are elastic at all values. OD. Greater than 20¢ d) At what prices is the elasticity of demand inelastic? ○ A. Prices are inelastic at all values OB. Prices cannot be inelastic in this case OC. Greater than 29¢ D. Less than 29 e) At what price is the revenue a maximum? (Round to the nearest cent as needed. Use a comma to separate answers as needed.) f) At a price of 21 per cookie, will a small increase in price cause the total revenue to increase or decrease? Increase Decrease