A grocery store selis 1-pound package of bacon and two cartons of eggs. The demand for packages at price p dollars is given by q=D(p)=100(6p). (a) Find the elasticity function, E(p)= (b) Evaluate the elasticity at 4 . E(4)= (c) Should the unit price be lowered slightly from 4 in order to increase revenue? (d) Use the elasticity of demand to find the price per unit which maximizes revenue for this product. P= dollars per unit Round your answer to two decimal places as needed