Which of the Following Statements About the Aptitude Component of the Model

Which of the following statements about the aptitude component of the model of sales performance is true?

A) Aptitude is the same whether the salesperson is asked to sell roofing shingles or x-ray equipment
B) Aptitude includes verbal intelligence, mathematical ability and sales expertise
C) A salesperson's aptitude is unaffected by her height, sex, age and physical attractiveness
D) Aptitude has no affect on a salesperson's motivation to perform
E) Aptitude will not affect sales performance if two job candidates have identical motivation, role perceptions and skills