The question is incomplete. Given below are the answers for all the questions.
Explanation:
1. They are poor. The beans are one of the cheapest food and usually the poor buy beans on a regular basis.
2. Part of what Brooks wants to communicate is the everyday nature of their very minimal existence. The narrator speaks about a poor couple who sit and dine at a rented black room.
3. "Remembering, with twinklings and twinges," For the old people, remembering the good times is a source of joy. These memories are strong enough to make them remember with 'twinklings and twinges'
4. The speaker is an observer like a fly on the wall. The poem is in the third-person perspective. This is clear from the words 'they' and 'them'.