the question about foreign currency loss and gain in ar invoice
1.input negative line in SO, the date is 13th may
2.ship confirm,then run autoinvoice programme in the same day, recording currency is CNY, USD is foreign currency
3.creat accounintg,check the account entry there is accounting entry about Exchange Gain or Loss ,the amount is equal to invoice amount
4.why there is the Exchange Gain or Loss?