Multi period Invoice# not calculating correct amount for due period

Summary

Multi period Invoice# not calculating correct amount for due period

Content

Multi period accounting is not calculating correct amount. As per calculation it should calculate item expense for due period is as 9409.315 but system calculated 9969.23 THB.

We haven’t built any custom formula for calculation..

Formula to calculate Multi period accounting:

 “Multi period Original Entered Amount” * (“Last day of Multi period GL period” – “Deferral Start Date” + 1) / (“Deferral End Date” – “Deferral Start Date” + 1);

Please suggest the reason for not calculating exactly period. Step by step screenshot attached for your reference.