Which of the following is not a key economic question? a. how should these goods and services be produced? b. what goods and services should be produced? c. how should it be ensured that goods and services are paid for? d. who consumes these goods and services?

The correct answer would be D, Who consumes these goods and services.

Explanation:

Economy is all about the production and consumption of products produced and services offered in a country. Economy also involves the money. Economy is truly a place where trading is taking place and this trading involves money supply in the economy. When talking about the economy, there will always be Products, Services and money involved but who consumes these products and services is never the core concern of the economy. So the appropriate answer would be D.