Merchant Fees

[Mamaliga]

My merchant fee is 3.4% + 0.35 Euro , why for some transactions I paid more ?

ex.: 

 Gross Amount

$42,84 USD

PayPal Transaction Fee

-$2,61 USD

Net Amount

$40,23 USD

[kernowlass]

@Mamaliga

For international sales / different currencies.

[Mamaliga]

Ok but 3.4% from 42.84 = 1.46 Difference is too big.