Earannual 1000 earquarterly 1038 earmonthly 1047

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Unformatted text preview: erest rate of 12%? Use cash flow keys: CF; CF0 = 0; C01 = 0; F01 = 39; C02 = 25000; F02 = 5; NPV; I = 12; CPT NPV = 1084.71 Saving For Retirement Timeline Saving For Retirement Timeline 012 … 39 40 41 42 000 … 0 25K 25K 25K 43 44 25K 25K Notice that the year 0 cash flow = 0 (CF0 = 0) The cash flows years 1 – 39 are 0 (C01 = 0; F01 = 39) The cash flows years 40 – 44 are 25,000 (C02 = 25,000; F02 = 5) Annual Percentage Rate Annual Percentage Rate This is the annual rate that is quoted by law By definition APR = period rate times the number of periods per year Consequently, to get the period rate we rearrange the APR equation: Period rate = APR / number of periods per year Computing APRs Computing APRs What is the APR if the monthly rate is .5%? .5(12) = 6% What is the APR if the semiannual rate is .5%? .5(2) = 1% What is the monthly rate if the APR is 12% with monthly compounding? 12 / 12 = 1% Effective Annual Rate (EAR) Effective Annual Rate (EAR) This is the actual rate paid (or received) after accounting for compounding that occurs during the year If you want to compare two alternative investments with different compounding periods you need to compute the EAR and use that for comparison. EAR ­ Formula EAR ­ Formula m APR EAR = 1 + −1 m Remember that the APR is the quoted rate Computing EARs ­ Example Computing EARs ­ Example Suppose you can earn 1% per...
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