The items mentioned are included in the ticket cost - Fatfish posted the breakdown of the Jamaican taxes and fees. The above Jamaican charges are just like the USA Departure and Arrival taxes (currently $26.80) , the US PFC (Passenger Facilities Charges - $4.50), the US Federal Security Segment Tax ($5.00) and the Animal and Plant Health Inspection Service Fee ($3.10) as well as any associated airport and security fees - here is the link:
http://www.state.gov/ofm/resource/imp/tax/20129.htm
