The taxes & charges are not Virgin Australia, they are government costs.
[TABLE="class: dijitReset fareDetails, width: 0"]
[TR]
[TD]US International Arrival Tax (US)[/TD]
[TD="class: farePrice, align: right"]AU$17.10[/TD]
[/TR]
[TR]
[TD]Australian Int'l Passenger Service Charge (WY)[/TD]
[TD="class: farePrice, align: right"]AU$25.51[/TD]
[/TR]
[TR]
[TD]Australian Passenger Movement Charge (AU)[/TD]
[TD="class: farePrice, align: right"]AU$47.00[/TD]
[/TR]
[TR]
[TD]US Customs Fee (YC)[/TD]
[TD="class: farePrice, align: right"]AU$5.70[/TD]
[/TR]
[TR]
[TD]US Immigration Fee (XY)[/TD]
[TD="class: farePrice, align: right"]AU$7.20[/TD]
[/TR]
[TR]
[TD]USDA APHIS Fee (XA)[/TD]
[TD="class: farePrice, align: right"]AU$5.20[/TD]
[/TR]
[TR]
[TD]US September 11th Security Fee (AY)[/TD]
[TD="class: farePrice, align: right"]AU$2.60[/TD]
[/TR]
[TR]
[TD]US Passenger Facility Charge (XF)[/TD]
[TD="class: farePrice, align: right"]AU$4.60[/TD]
[/TR]
[TR]
[TD]US International Departure Tax (US)[/TD]
[TD="class: farePrice, align: right"]AU$17.10[/TD]
[/TR]
[TR]
[TD]Australian Int'l Passenger Service Charge (WY)[/TD]
[TD="class: farePrice, align: right"]AU$25.51[/TD]
[/TR]
[/TABLE]
Airline charges additions (fuel fines etc) are usually YQ or YR - check ITA Matrix Qantas fares SYD-LAX-SYD for an example:
[TABLE="class: dijitReset fareDetails, width: 0"]
[TR]
[TD](YQ)[/TD]
[TD="class: farePrice, align: right"]AU$680.00[/TD]
[/TR]
[TR]
[TD](YR)[/TD]
[TD="class: farePrice, align: right"]AU$30.00[/TD]
[/TR]
[TR]
[TD][/TD]
[TD="class: farePrice, align: right"][/TD]
[/TR]
[/TABLE]