Success in international business means getting information, knowledge and experience ahead of the competition. The World Trade Press Country Business Guide series is designed to help you learn how to, where to and with whom to do business in many countries of the world. Never before has such a comprehensive view of a nation's economy and business life been available in a country-by-country reference series. These authoritative books are the product of exhaustive research by a team of experienced international businesspeople, professional researchers, an attorney, cartographers and business writers. Each Country Business Guide contains the wide range of information and resources needed to get a head start in business dealings with a specific country.Some restaurants add a 10 to 15 percent service charge to the bill, and this is the amount you should tip if there is no service ... Tip room service waiters PI at expensive hotels or 50 centavos at lesser hotels (about US$0.30 to US$0.15).