3. When the Index Level was 8000 Janet bought a $5000, 3year Index linked GIC in 2006 with a participation rate of 25%. At maturity, the Index Level was 12,000. How much interest did Janet earn from her investment? Show step by step calculations as to how you arrive at your answer by calculating: (18 marks) a) Index Growth over the period. b) The overall return. c) Return from investment.