What happens to Bigger’s predecessor? Why? Briefly describe Bigger’s duties concerning the furnace in the basement. Why is this significant?

The Daltons paid for him to go to night school and he's gotten a much better job.

Oh sorry, the furnace! It's Bigger's job to clean the furnace. This is significant, because without the knowledge of where the furnace was..... mary's body might not have been so easily disposed of.