Identify one key takeaway from the Circular Flow Diagram. Circular diagram with arrows that represent inputs and outputs from firms and households that show how they interact. Firms provide goods and services and households pay for the goods and services. Households provide labor and in return firms provide wages, salaries, and benefits. Select the correct answer below: Households often provide firms with capital for free. Households often receive freebies from firms. There are no free exchanges between firms and households. Households provide firms with goods.