If you have enabled Multicurrency, ensure that your currency is adjusted to match current market rates.
Changing the Exchange Rate: A Step-by-Step Guide.
Click on "Settings" on the MAIN Menu.
Click on Payroll.
Click on Multi Currency.
Enable Multi Currency
Select the Foreign currency and adjust the exchange rate then click on the "Add Currencies" button.
If you want to include more than one currency, simply click on the + button and follow the same process as mentioned above.