The Company's Argument:A national distribution hub will be built in a remote region.
Most national shipments will be routed through this hub.
This will substantially increase shipment volume in the region.
The regional government gets a bonus based on the total volume of goods delivered to businesses within their region.
Therefore, the regional government would greatly profit from the increased volume and should share bonuses with the company.
The Crucial Link: The argument hinges on the idea that routing most national shipments through the hub before final delivery elsewhere will directly translate into a "substantial increase in shipment volume" that counts towards the federal bonus for the regional government.
Let's evaluate the options:
(A) Without the proposed hub, most shipments would bypass the remote region entirely.
If this is true, then the hub would indeed bring new volume to the region that wasn't there before. This supports the idea that the hub increases "shipment volume." This is a strong candidate.
(B) The federal government awards bonuses based on total shipment volume passing through a region, not just on shipments delivered locally.
This is the most critical assumption. The government's bonus is based on "total volume of goods delivered to businesses within their region."
The company's proposal is to route "most national shipments through the hub before final delivery elsewhere."
If the bonus only counts goods actually delivered to businesses within that specific region, then simply passing through the hub (even if sorted there) for delivery elsewhere would not increase the bonus.
For the company's argument to hold, the "shipment volume" that generates the bonus must include goods that are merely transiting or being processed in the hub, even if their final destination is outside that specific remote region. This option directly addresses how the bonus is calculated.
(C) The regional government would only share bonuses if the new hub directly benefited local businesses.
The company is arguing that the government would profit and should share. This option describes a condition for sharing, but it's not an assumption of the company's argument that the government will profit. The company's argument is about the volume, not the terms of a deal.
(D) Routing shipments through the new hub would not make delivery times longer than shipping via current routes.
This is a factor that might influence the shipping company's business model or customer satisfaction, but it's not an assumption critical to the argument that the regional government will profit from increased bonus volume. The argument is purely about the volume count, not efficiency or customer impact.
(E) Businesses in the remote region currently account for a small proportion of the shipping company’s national shipments.
This might explain why the region is remote and why a hub there could be a big change, but it doesn't directly address the mechanism by which passing through the hub translates into a bonus-earning "total volume of goods delivered to businesses within their region." Even if local business volume is small, the hub needs to be counted for transit.
Why (B) is the best answer:The core of the disconnect (and thus the assumption) is how "total volume of goods delivered to businesses within their region" is interpreted. The company is proposing to route shipments through the region before final delivery elsewhere. If "delivered to businesses within their region" strictly means final destination within that region, then the company's argument that transit volume increases the bonus falls apart. The company must assume that the federal government counts this transit/processing volume as part of the "total volume of goods delivered to businesses within their region," even if those businesses are the hub itself or related logistics operations within the region that handle goods for onward travel. Option (B) precisely captures this necessary interpretation.
Answer: B