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$8 for a cup of coffee in Moscow. $200 for a pair of jeans in Luanda. These cities charge top dollar for the most basic purchases, according to Mercer's survey of 214 cities.
Rental apartments in Moscow can make Manhattan's prices look cheap, with unfurnished luxury two-bedrooms averaging $4,600 a month. And the imported goods and services that expats commonly want also command a premium. A gallon of milk costs an average of $7.59. Even a cup of coffee -- averaging more than $8 -- doesn't come cheap.