(d) Brian is a recent college graduate who has accepted a job as a store manager. He is married and has two children. His wife works part-time as a waitress at a restaurant. They have decided to purchase stock in an oil-exploration firm. If it is successful, it will pay them a 50% return. If it fails, they could lose all their investment. (i) Use your knowledge in money management, discuss the finance principle and the attitude of Brian as an investor. (6 marks) (ii) Besides returns, what other three factors that Brian should consider when making final investment decision? (6 marks) [Total: 25 marks]