It depends on when you make your yearly contribution. If you make it at the
beginning of the year, the formula is:

=(begbal+yrcont)*intrate

If it's at the end of the year, the formula is:

=begbal*intrate

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Regards,
Fred


"JR573PUTT" wrote in
message ...

I have the following spreadsheet:

year beg bal yr contr int rate int inc ending balance
2006 25000 10000 15% ??

What formula do I use to calculate the interest income?


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JR573PUTT
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