Capital investment appraisal
. Bill invests £15,000 in an investment which pays an annual interest rate of 10%. What is Bill's payback period on this investment?
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. Fred invests £21,000 in an investment which pays an annual interest rate of 7.5%. What is Fred's payback period on this investment?
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. John pays £12,000 to have solar panels installed on the roof of his house. His electricity company calculates that the solar panels will produce an annual income of £800 for the next 25 years. What is John's payback period on his investment in his solar panels?
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. Tiny Trains Limited runs a small branch line railway. The company has invested £5m in the railway line and all the required equipment to run the railway. The directors estimate that the company will make annual cash after paying all expenses of £250,000. What is Tiny Trains Limited's payback period?
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