Tony has eight years left until retirement. He is currently earning $20,000 per year. However, Tony lacks only one year of coursework to finish his college degree. If Tony goes back to school and finishes his degree, he will earn $7,500 more per year. Assume that if Tony goes back to school, he must pay tuition and fees totaling $5,000 for the year. What should Tony do if his appropriate discount rate is 5 percent? If the discount rate is 5 percent, then Tony should What if the discount rate is 18 percent? If the discount rate is 18 percent, then Tony should not go back to school go back to school