e Update To keep up-to-date with security updates, fixes, and improvements, choose Check for Updates. Check for Updates Question 3: Textbook . Product: Textbook . Selling price: $60 Sales in January: 500 I . Price elasticity: 5 The information above is provided by a bookstore. The store manager wants to determine if $50 is the profit maximization price for this textbook. He also provides the following information: . Purchase price from publisher: $40 Question 3.1: Please create a linear demand curve based on the given information. (10 pts) [Please type the equation of the linear demand curve] Question 3.2: Use Excel Solver to find out the profit maximizing price of this textbook. (20 pts)