James has a job with a current salary of $42,000. He wants to earn a college degree that will take him 2 years to complete and it will cost $28,000 per year. He will go to school full time and will not be able to work. Upon graduation, James' new salary will be $56,000 per year. How many years will it take James to recover his investment? a. 1.3 years b. 2.5 years c. 10 years d. 20 years. Please select the best answer from the choices provided