(10 marks) Joseph migrated to Canada from Ghana 5 years ago. He currently works in sales but is considering quitting work for two years to earn an MBA degree. His current job pays $40,000 per year (after taxes), but he could earn $55,000 per year (after taxes} if he had an MBA. Tuition is $10,000 per year, and the cost of an apartment near campus is equal to the $10,000 he is currently paying. His discount rate is 6 percent per year. He just turned 48 and plans to retire when he turns 60, whether or not he earns his MBA degree. Based on this information, should he go for an MBA degree? Explain carefully with appropriate calculations