You invest GHc1,000 annually for seven years and earn 7.65 percent annually. How much interest will you have accumulated at the end of the seventh year? 28. An investment promises to pay you GHc10,000 each year for ten years. If you want to earn 8.42 percent on your investments, what is the maximum price you should pay for this asset? 29. You bought a stock for GHc10 a share and sold it for GHc25.60 after 52 years. What was your annual return (rate of growth) on the investment? 30. You can earn 7.2 percent annually; how much must you invest annually to accumulate GHc50,000 after five years?