Answer: A. the company will be willing to pay a different amount for this resource.
Explanation:
The upper limit for the resource was 18 and anything up to 18 would have attracted the same shadow price (price company estimated it was willing to pay for access to this resource).
The access was increased past this limit however to 18.01. The company therefore will now have more access to the resource and so will be willing to pay a different amount for the resource.
