Final answer:
The person who shows up to offer the Roses the mattress from the Estate sale is not explicitly mentioned in the information given, but it can be inferred that it could be a servant or someone involved in the estate. The passage suggests that someone related to the estate might be responsible for delivering the mattress.
Step-by-step explanation:
The person who shows up to offer the Roses the mattress from the Estate sale is not explicitly mentioned in the given information. However, based on the context, it can be inferred that the person offering the mattress could be a servant or someone involved in the Estate sale. The passage mentions that the servants are no longer present and the things from the estate are gone, suggesting that someone related to the estate might be responsible for delivering the mattress.