Just priced a NCL - Oslo
as follows:
Flights
0.02p
Tax out (Total 12.48)
5.00 Gov Tax
4.00 Passenger Service Charge (Non-Refundable)
3.48 Ins + Wheelchair Levy
Tax Back (Total 14.79)
1.77Gov Tax
9.54 Passenger Service Charge (Non-Refundable)
3.48 Ins + Wheelchair Levy
Credit Card Charge
1.75 per sector (3.50)
Total
30.79
Interesting that the credit card charge is 11.36% and although its one transaction you are charged 1.75 per passenger per flight
The PSC will depend on the airport