Amount Invested = P = $10000
Number of Years = n = 5
Future Value = F = $15000
(a) Let Simple Rate of Return be r
=> F = P + Prn
=> 15000 = 10000 + 10000*r*5
=> r = (15000 - 10000)/(10000*5) = 0.10 = 10%
(b) Let the Effective Rate of Return be r
=> F = P(1+r)n
=> r = (F/P)1/n - 1 = (15000/10000)1/5 - 1 = 0.0845 or 8.45%
(c) Let continuous rate of return be r
=> F = Pern
=> r = (1/n)*ln (F/P) = (1/5)*ln (15000/10000) = 0.0811 or 8.11%
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