Answer:
c. tables of home-sale statistics from the federal government.
Explanation:
Dimitri's main claim is that a drop in the housing market contributed to a recession. The only way in which he can prove this is by gathering concrete evidence and facts. Dimitri needs to compare the drop in the housing market to the beginning of the recession, and find proof of causation. The best way in which he can do that is by using tables of home-sales statistics from the federal government.
