The principle that suggests that the distribution of income should be based on the contribution made by individuals to society's total output is known as

A$.$ the egaltarian principle.

B$.$ the functional distribution of incomn

C$.$ the relathe poverty standard

D$.$ the productivity standard

The productlvity standard fals to yield an equal cistribution of income because

A$.$ richer countries have higher productivity than poorer countries.

B$.$ it is dificult to measure productivity accuralely.

C$.$ individuals have different abilities and skils

D$.$ diminishing marginal productivity holds.