What Does the Word "Purify" Mean in Terms of the Sales

Multiple Choice

What does the word "purify" mean in terms of the sales function?

A) It means to change the ways non-sales activities occur so they cost the company less.
B) It means to ask all employees,regardless of job function,to sell to any customer they have contact with.
C) It means to carefully consider the product line and eliminate products that do not sell well.
D) It means to convert factories and production lines to have the least environmental impact possible.
E) It means to choose the most expensive method to reach customers.