The correct option is C <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->
It is the purchasing power of an individual.
Standard of living is the third component in calculating Human Development Index. It is the purchasing power of an individual that makes them capable of purchasing basic amenities like food, shelter, education, health, etc. Measuring per capita income is one of the best ways to deduce the standard of living.