Jemma is targeting a new tennis racquet to tennis enthusiasts with professional occupations who have annual household incomes above $250,000 and graduate degrees. Her target audience likely falls into the level of social class, which includes about 14 percent of people in the United States.

UPPER level

Explanation:

Social class is simply a concept centered on models of social stratification (grouping of various people based on different socioeconomic characteristics) in which people are grouped into a set of hierarchical categories. It is a group of people in a society or overall world who possesses the same socioeconomic status, mostly in terms of wealth.

Generally, there are three (3) social groups. Of course, there are a lot of variations by different individuals on the classification, but the three most used groups are

- Upper level/class

- Middle level/class

- Lower level/class

The upper level is usually made up of the rich and powerful

The middle level is made up a broad group of people. We have the working class group in here. They made of people who work and are paid just above poverty line.

The lower level are those in low income jobs, that is, jobs that pay below poverty line. Many people in this categories are jobless and have no source of income. Some are homeless.

People earning above $250000 belongs to the upper class. So Jemma target would be the upper class.

answer; (b) insider trading;