320
According to the indictment , the attackers offered the city the option of paying six Bitcoin ( currently the equivalent of $ 22,500 ) to get keys to unlock all the affected systems or 0.8 Bitcoin ( about $ 3,000 ) for individual systems .
 ransom: offered
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 ransom: offered