The price to be paid of total usually includes all the taxes and fees as below:
Taxes and fees are subject to change as required by law or exchange rate if collected in a foreign currency. Full fare price, including all applicable taxes and fees, must be paid at the time of purchase. Some taxes and fees not collected on the e-ticket (for example, a departure tax collected at an airport payable directly to a government official) must be paid directly to the relevant authority, so it is important to keep some cash when you check in at the airport.