With the help of suitable example, explain the problem of for whom to produce'

With the help of suitable example, explain the problem of for whom to produce’.
or
Explain the central problem of ‘distribution of income’.

is the problem which is concerned with the distribution of income among all factors of production like wages to the labour, rent to the land, interest to the capital and profit to the entrepreneur, e.g. in a country like India where disparity of income is high, the government employs its resources for production of those goods which are socially desirable like railways, rather than on the production of high-end cars like Ferrari.