Why is it important to specifically state everything you need from suppliers when you are creating an RFP$?$

Question $9$ options:

A$)$

The proposal process will eventually lead to a contract for delivery of the service

B$)$

To outline the key pieces of information that should be included in the proposal

C$)$

To make the proposal more informational than analytical

D$)$

The potential bidders need the information to write a better proposal

E$)$

To put the requirements in context