A grocery store sells 1-pound package of bacon and two cartons of eggs. The number of packages sold at price p is given by [math]
(a) Evaluate the elasticity at 4. [math]
(b) Should the price be raised in order to increase revenue? Enter 1 for Yes or 2 for No . [math]
(c) For what value of p, the demand is unitary. [math]

(d) What is the maximum revenue? [math]