# Which formula to use for compounding interest for specific # of da

=?Utf-8?B?Uk9M?=
Guest
Posts: n/a

 30th May 2006
Principal amount is \$57,310.38; interest is 3% per annum, length of time is
195 days with 1 payment at the end of the 195 days. I'm clueless as to which
formula to use and what #'s to plug in. Hope someone can help.

=?Utf-8?B?RGF2aWQgQmlsbGlnbWVpZXI=?=
Guest
Posts: n/a

 30th May 2006
Is this compounded daily, or is it compounded once at the end of the 195 days
(in which case wouldn't technically be compounded)? By "1 payment" I assume
you mean the entire pricipal is to be paid back after 195 days. I'll assume
compounded daily and entire principal paid @ t=195 days:

Amount paid Back = 57,310.37 * (1+ .03/365)^195 = \$58,236.27
Resulting in \$925.90 in interest paid (58,236.27-57,310.37)

Does that help?
--
Regards,
Dave

"ROL" wrote:

> Principal amount is \$57,310.38; interest is 3% per annum, length of time is
> 195 days with 1 payment at the end of the 195 days. I'm clueless as to which
> formula to use and what #'s to plug in. Hope someone can help.

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