Macroeconomics 8th Edition by David Colander

Exercise 10

Suppose you currently earn $30,000 a year. You are considering a job that will increase your lifetime earning by $30,000 but that requires an MBA. The job will mean also attending business school for two years at an annual cost $25,000. You already have a bachelor degree, for which you spent $80,000 in tuition and books. Which of the above information is relevant to your decision whether to take the job?