Several schools have sharply increased tuition to match rivals, while also providing more financial assistance.	New York City has failed to collect on millions of dollars in water bills because of records riddled with errors and outdated information.	S??o Paulo, Brazil, overwhelmed by what the authorities call visual pollution, plans to press the ?“delete all?” button on outdoor advertising.
Sales of existing homes are expected to decline 8.6 percent, to 6.47 million, for 2006, and shrink another 1 percent, to 6.40 million units, next year.	Valassis Communications is suing to escape its deal to purchase Advo, a direct mail marketing company it agreed to buy for $1.3 billion.	Fewer people are rushing to cram in miles before the end of the year to upgrade to a higher frequent-flier status.