Example:emma jones is a young entrepreneur who recently used GMAT success, a test-prep book and software package for the business school admission test.emma loved the book and program so much that after graduating she sighed a contract with GMAT success’s publisher to sell the learning materials. She recently sold them at a college fair in boston and is now thinking of selling them at a college fair in Chicago. Emma knows she can purchase each package (book and software) from the publisher for 120 per package, with the privilege of returning all unsold packages and receiving a full 120 refund per package. She also knows that she must pay 2,000 to rent a booth at the fair. She will incur no other costs. Should she rent the booth or not?