Jerome is contemplating the value associated with earning an MBA degree. He expects the total cost of attending Big Sky University to be $110,000. While he can earn $30,000 a year currently as an associate at Skymart, after graduation he can expect to eam a $75,000 salary as a manager. What is his payback period? a. 1.05 years b. 1.46 years C. 2.44 years d. 3.67 years