Check this link in forum:
https://bobj-board.org/t/40577
I guess you can calulate with the non working days part of the formula shown in this link
to suit according to your needs.
ajitha 
(BOB member since 2008-07-28)
Check this link in forum:
https://bobj-board.org/t/40577
I guess you can calulate with the non working days part of the formula shown in this link
to suit according to your needs.
ajitha (BOB member since 2008-07-28)