P 2008/01/01 $ €1

2008/01/11 LIAT
   Expenses:Travel:Airfare  $40.00
   Liabilities:MasterCard

2008/02/05 CTX
   Expenses:Travel:Auto  €240.38
   Liabilities:MasterCard

test bal --exchange=€
             €280.38  Expenses:Travel
              €40.00    Airfare
             €240.38    Auto
            €-280.38  Liabilities:MasterCard
--------------------
                   0
end test

test bal --exchange=€ --percent
             100.00%  Expenses:Travel
              14.27%    Airfare
              85.73%    Auto
             100.00%  Liabilities:MasterCard
end test