Mr. Tee had a friend who introduced an attractive investment scheme to him. The friend, whom he trusted, told him to invest in a gold bar. It promised to pay 2% interest every 3 months. After 12 months, the company promised to buy back the gold bar at its full value. This allowed him to earn a return of 8% for 12 months. There is also a certificate for him to take out the gold bar from a trusted third party if the company did not honour the buy back promise.At the end of the period, the company did not buy back the investment. Mr. Tee took out the gold bar and found that he had paid for the gold bar at a price that is 50% higher than the real value of the gold. He was not aware that the price, quoted in $ per gram, was much ...