I submitted a bid for a prevailing wage project however the scope of work ended up being more than anticipated. We notified the General Contractor that our company would be unable to perform. No contract had been signed. That same General Contractor has reached out asking for money for liquidated damages for the delay they claimed to have experienced while finding a new sub to complete the work. The letter also states that they want payroll records from us working on the project however that is false. We never worked on site because we did not sign a contract. Their claim is that our written proposal is written contract enforceable by law. How should we proceed?