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Within weeks after taking charge of a public company that had even managed to turn a slight profit , WITHOUT MAKING ANY IMPROVEMENTS WHATSOEVER IN THE WATER SYSTEM , Bechtel doubled and tripled water rates , charging the poor of the city $ 15 or more a month just to keep their water running ... in a city where families live on less than $ 60 per month .
 ( transfer ownership: taking,  company: artifact, Bechtel: buyer) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: declare bankruptcy, transfer ownership, transfer money, marry, transport, die, phone write, arrest jail, convict, sentence, sue, end organization, start organization, end position, start position, meet, elect, attack, injure, born, fine, release parole, charge indict, extradite, trial hearing, demonstrate, divorce, nominate, appeal, pardon, execute, acquit, merge organization, Arguments type: beneficiary, prosecutor, plaintiff, seller, victim, buyer, agent, destination, artifact, organization, recipient, person, place, origin, target, giver, adjudicator, attacker, vehicle, defendant, entity, instrument. 
Text: {0} 
Answer:
 ( transfer ownership: taking,  company: artifact, Bechtel: buyer) 