Dell 75" 4K Touch Screen Monitor - P7524QT - New In Box

This is a brand new Dell 75" 4K Interactive Touch Monitor - P7524QT. It was received late May this year and still in box. We are moving to a new office and no longer need this. We are looking to get $4000 or best offer - retails on dell canada site for $5630+ taxes. https://www.dell.com/en-ca/shop/dell-75-4k-interactive-touch-monitor-p7524qt/apd/210-bjzh/monitors-monitor-accessories. We also have a barely used 55" interactive touch monitor (~10 hours of use, C5518QT). Looking for $1500 OBO for the 55" version.