Explanation:

- Option 1: Level of prices

- Directly affects the cost of living.

- A higher price level means essential goods and services cost more, increasing poverty.

- Option 2: Production quantum

- Higher production can lead to more jobs and income.

- Only indirectly affects the poverty line through economic growth.

- Option 3: Per Capita income

- Represents average income per person.

- Affects overall economic well-being but not directly tied to price levels.

- Option 4: Quantum of gold reserve

- Impacts the economy’s financial stability.

- Doesn’t directly influence poverty levels.

Correct Answer: Option 3 - per capita income

- Directly influences the poverty line due to its impact on income.