How to calculate the bank charges in Payables and what is the accountig for it.

Hi,

Could you please help me over the following issue?

My client having requirement like when make the payment to suppliers they deduct the bank charges from supplier some time and some time they add the bank charges to payment.

Example.1

For IBM Supplier.

If the invoice value is 1000 then our client makes the payment 1100 adding the 100 as bank charges.

 For Dell computers.

Example.2 if the invoice value is 1000 then our client makes the payment 900 deducting the 100 as bank charges.

Example.3 Some time banker charges some amount to our client bank account that realizes when the bank reconciliation takes place.