EXW- exworks is a suitable incoterm for transporting goods both by rail and boat. It can be used regardless of the mode of transport.
The other three are for transport over water. P. 143 Shipping Incoterms: the Complete Guide - Guided Imports Some students report a lot of questions on Incoterms in the exam, some say they only had 1. Best bet is to learn them if you possibly can.

"yes- ethics and sustainability form part of 'value for money' " is the correct answer.
There are several factors that represent value for money and these are listed on p.3. These include; price, delivery, quality, ethics, sustainability and availability.

A RFI typically finds the following information from potential suppliers; ethical and sustainability policies and their capacity / capability to fulfil a contract. It could also include financial position, mission and vision.

Under FOB (Free on Board), the buyer assumes responsibility once the goods are loaded onto the ship, including costs and risks beyond this point. This Incoterm is commonly used in international trade, helping both parties clarify responsibilities and promote fair risk distribution.

Payment history and financial stress scores provide insights into a supplier's financial health and stability.
This information is crucial for procurement professionals in assessing whether a supplier can fulfill long-term commitments, supporting responsible sourcing by mitigating financial risks.