The correct answer is:
The landlords.
In the account of the harsh existence that he and his family encountered in the one-room tenements of South Chicago, Richard Wright's "The One-Room Kitchenette" refers to the building landlords as “the bosses of the buildings”, who were keeping black people in specific apartments, without any mobility, and developing racially restrictive housing covenants.
There is an agreement of price and quantity in the market therefore all market forces stabilized and reached a price that consumers are willing to pay for goods and producers a price at which they are willing to produce in order to make a profit
You can check other sources as well
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