In our macro circular flow, the households are choosing to spend billion dollars..

3500

Explanation:

The circular flow of income is a model that explains the movement of money that passes through the hands of the different economic agents that are present in an economy.

In a very simplified way, we can summarize it in that the economy is formed by companies that produce and hire people, and homes that buy products and work for companies; and that the state receives tax money and redistributes it in the form of grants, pensions, public aid, etc.