3) The price-demand function for a new flashlight is given by q = d(p) = 600e-0.2p where p is the price in dollars for q flashlights. a) Find the elasticity of demand function, E(p). Simplify. b) Determine if the price is elastic or inelastic at a price of $8. Based on this result, what should the company do to increase revenue? Use complete sentences. c) Determine the best price to maximize revenue. Summarize your answer in a complete sentence and include units