Upgrade Details:
The customer would like the same folding door but with a height of 96 inches instead of the original 80 inches.
Price Difference:
$7,499 (new height) - $6,299 (original height) = $1,200
FD5PWH14496-LR reference product link:
https://kamichome.com/products/kamic-144-x-96-5-panels-aluminum-folding-door-in-white-folded-out-from-left-to-right