The International Marketer Can Use Which of the Following Classification

The international marketer can use which of the following classification as a planning guide?

A) Very low family incomes: subsistence economies tend to be characterised by rural populations in which consumption relies on personal output or barter.Some urban centres may provide markets.
B) Very low, very high family incomes: some countries exhibit strongly bimodal income distributions.The majority of the population may live barely above the subsistence level, but there is a strong market in urban centres and a growing middle class.The affluent are truly affluent and will consume accordingly.
C) Low, medium and high family incomes: industrialisation produces an emerging middle class with increasing disposable income.
D) All of these choices