Explanation:

- Option 1: Indirectly

- Economic infrastructure, such as transportation, energy, and communication systems, underpins economic activities.

- It indirectly supports businesses by facilitating operations and efficiencies.

- Option 2: Directly

- Infrastructure provides direct support by enabling core economic functions.

- It includes essential services that businesses and consumers rely on, such as roads, utilities, and communication networks.

- Option 3: Doesn’t affect

- Untrue, as infrastructure significantly impacts economic performance.

- Proper infrastructure is crucial for economic growth and development.

- Option 4: None of the above

- Not applicable, as options 1 and 2 correctly depict the relationship.

- Infrastructure either directly or indirectly supports the economy.