Who Is Least Likely to Describe Himself or Herself as Self-Employed

Who is least likely to describe himself or herself as self-employed and most likely to self-identify as an entrepreneur?

A) a freelance editor who sells his services to various publishing companies
B) a scientist who has developed a process for converting the garbage in landfills into useful energy, thereby decreasing pollution and reducing society's reliance on fossil fuels
C) an electrician who owns his own business and who specializes in outdoor lighting
D) an accountant who goes to people's homes to help them prepare their income tax returns
E) a hair stylist who rents a chair at a salon and sees about 20 clients per week, who pay her directly