From Amankora,
FIT surcharge of US$30 per person per day
Government royalties of US$65 per person per day (except Indian nationals)
A one-time Sustainable Tourism Fund charge of US$10 per person
A one-time visa application fee of US$40 per person will be charged at time of booking
It should be $95/day/person. Not sure where they are getting the $170/day/person or 165/day/person number from.