Concept:Poverty is measured by a person's or nation's average income level.
Explanation:Per capita income is the average income earned by each person in a country in a given period.
When per capita income is low, people lack enough money to meet basic needs like food, shelter, and clothing.
This low average income reflects a high level of poverty in the country.
Therefore, poverty simply refers to a low level of per capita income, not planning, wealth, or labour.
Answer:B. per capita income