how does the count of monte cristo make albert feel indebted to him

Albert, Franz, and the Count of Monte Cristo attend the Carnival, where Albert flirts with a lady in a carriage. He writes her a letter the following day. He receives a reply requesting a rendezvous. Franz soon finds out that this rendezvous was a ploy. He receives a note from Albert requesting the payment of a ransom. He has been kidnapped by Luis Vampa, and infamous Italian bandit. Franz, unfortunately does not have enough money to pay the ransom. He thus goes to Monte Cristo for help. Monte Cristo's help makes Albert idebted to him.