Очень пожайлуста! I. Fill in the gaps with the words given below.

When you buy an airline ticket, there are several questions you should ask yourself. First of all, is the price you are being charged (1) ? For example, does it include (2) (in Britain, this will add another 17.5% to the cost of your ticket), an airport (3) charge, airport (4) tax or (in the UK) Air Passenger (5) ? Also, if you change the date or time of your flight, will you have to pay a financial (6) ? You should also be aware that you might be required to pay a (7) before you fly (for example, to pay for unexpected rises in fuel costs). Many tour operators, airlines, etc, have a policy of backward pricing (they check their competitors’ prices before setting their own), and this can result in serious (8) , which is great news for travellers. Sometimes they charge different prices for different groups of people: this policy of (9) can result in very cheap prices for travellers who are more flexible with dates, times and so on. Some operators have recently been accused of predatory pricing in order to prevent their competitors from succeeding in the market (or in some cases, to prevent new competitors entering the market). When travel agencies sell holidays or tickets for travel, they either receive a (10) from the tour operator, or have a (11) system (usually on a (12) basis), where they add a percentage to the tour operators' prices (agreed in advance with the tour operator) and charge this to the customer.

Commission, cost-plus, duty, fee-based pricing, inclusive, maintenance, penalty, price cutting, price discrimination, service, surcharge, VAT (Value Added Tax)