VJames 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.