authentication clientHasFreeFunds enoughCashInCashpoint menuOption numberOfFailedAttempts cashpointActivity numberOfBills desiredAmount enoughCashInCashpoint desiredAmount freeFunds clientHasFreeFunds enteredPIN pINInDatabase authentication enteredPIN pINInDatabase numberOfFailedAttempts authentication clientHasFreeFunds enoughCashInCashpoint menuOption numberOfFailedAttempts numberOfBills