Which of the following is a reason why the nature and extent of vertical inequality are important?
- It is important for creating a just society where happiness tends to be higher in more egalitarian societies.
- It impacts the level of poverty for a given national income per capita.
- It is directly related to the growth rate of national income.
- It is not a significant factor in societal well-being.
Ai, ii
Bii, iv
Ci, iii
Di only