2. This graph shows interest earned by an annuity that pays $17.000 at the end of each year for time periods of up to 25 years from now at 8.4% per year compounded annually. Each payment is made at the end of the compounding period. 26 140 10 Interest Earned (51000) 100 30 35 10 35 Years a) Estimate the interest earned by an annuity for each time period. (3 Marks) i) 5 years: ii) 10 years: iii) 20 years