Answer:
The correct answer is letter "D": need set.
Step-by-step explanation:
In developed countries, most people live satisfying minimum standard needs. This is because the economy in those nations is usually prosperous and is reflected in an individual's well-being. Under this scenario, companies tend to offer goods as a set, mostly luxury, under the benefit that they satisfy more than one need: the core need (why consumers buy it) and a status need (portrays some sort of wealth possession).