Comment 2 for bug 609111

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Benoit Darrot (benoit-darrot) wrote :

See here for a simple explanation in french about interests by fortnight : http://www.calfiz.com/livret-epargne-calcul-interets-methode-quinzaine-par-quinzaine-443.html
You must store for each account the rythm of calculation (monthly rate, fortnight rate, weekly rate), the historical modification of rate with valuation date (example with the french Livret A which rate varies from time to time). Then you can compute the interests.
You must also choose to deposit the interests in the account or in another one as some interest accounts generate interests on your current account.