Bank charges on credit card

i need a solution to when we sell so get some charges deducted and the balance amount is credited to our bank account
so how do i show those charges so my bank statement amount entry by entry can tally

eg:- credit a/c debit a/c

     sales   1950                                 abc bank             1945
                                                          bank charges            5

receive the money 1950 as usual in your bank account.
add a new line, select Bank charges under accounts column and enter the value as negative i.e. -5