Answer:
It would allow them to discuss the budget with the whole group.
Explanation:
In business writing, concise and to the point sentences take the cake. The message should not be filled with redundancy and the flabby expressions, metaphors or even extra words must be omitted. Repetition should be dodged and the message must be made clear as day.
In the above given options,
It would allow them to discuss the budget with the whole group.
is the most precise and to the pint revision of the sentence.