In the scenario provided, the statement that Union Bank can only claim $25,000 and the remainder advances must be paid to the contractors is factually true.
As per the case fought in the court of Lyman Lamb Company vs Union Bank of Benton, the decision was made in the favor of the contractors. It was stated by the court that a valid mortgage may be executed to secure debt which is to be contracted in the future but in doing so, an unequivocal agreement in the instrument itself must be mentioned for the debts incurred in future.
The Union Bank was liable to claim of $25,000 but no such clause/agreement was made that constituted prior or first lien for subsequent advances because was the bank was not in any obligation to do so.
The conclusion made by the court was that the mechanics lien had priority, as they furnished the required materials before Union Bank made the advances.
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