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# Effective Rate of Interest

Can effective rate of interest formula be also applied in case of series of cash flow (regular/irregular) or it can be only used in case of single cash flow only? Deepak Gupta

CA Inter

1K+

27-Aug-20 14:20

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It can be computed for irregular / a series of cash flows also Sriram Somayajula

27-Aug-20 16:26

Can you please explain the effective rate calculation of the following: Annual investment 1 lakh For a period of 5 years (1 lakhÃ?5=5 lakh) @ 12% p.a. By using the formula [(1+r)^n-1]Ã?100 I'm getting an absurd answer... Or there is a different formula for series of cash flow? Deepak Gupta

CA Inter

1K+

27-Aug-20 16:43

In this case if each year the cash flow is 1 lac and interest rate is 12% - EAR is also 12%. Can you share screenshot of question from the material where you are looking at Sriram Somayajula

27-Aug-20 16:50

There is no specific question. Actually i was watching time value of money module today and after future value of annuity concept, this came to my mind... So, I quoted the annuity example in the video for EAIR... I think I was trying to calculate the effective rate after 5 years whereas it is to be calculated annually... so was getting a weird return... Deepak Gupta

CA Inter

1K+

27-Aug-20 17:26

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