we could maybe add a new functionnality by adding the possibility to create an opening period not linked to a date so we could use here a specificly computed ex-rate based on average rate on the 31/12/N-1 for instance...
we could maybe add a new functionnality by adding the possibility to create an opening period not linked to a date so we could use here a specificly computed ex-rate based on average rate on the 31/12/N-1 for instance...