Answer:
Income segmentation
Explanation:
In a business, income segmentation may be defined as the segregation or the characterization of the customers as per their income or amount of earnings. It is a process which leads having a homogeneous people who can possess similar products and have a same income.
Income segmentation helps the company to develop new products that is in accordance to the demand of the people and their buying ability.
Thus in the context, NewPhone Inc. making two variant of the new phone is most likely using the income segmentation of the market.