Manchester City fined Carlos Tevez four weeks\' wages on Tuesday after finding him guilty of misconduct.The Argentina forward has also been warned as to his future conduct following an investigation into his behaviour on the bench during last month\'s Champions League defeat at Bayern Munich.In a statement on their website, City said Tevez had been found guilty of five separate offences surrounding the incident in which in was initially thought he had refused to take the field.The 27-year-old, who attended a disciplinary hearing last Friday, was also suspended for two weeks but that punishment is deemed to have already been served.Tevez has 14 days to decide whether to appeal to the club\'s board of directors.