Which of the Following Is the Best Example of Product

Multiple Choice

Which of the following is the best example of product differentiation?

A) A cookie manufacturer introduces a new variant of cookies for Halloween.
B) A firm that sells printers starts a new manufacturing unit to manufacture printer cartridges.
C) A firm that produces laptops introduces a new line of tablet personal computers.
D) A leading women's fashion house introduces a line of men's clothing.
E) A supermarket introduces a range of pre-packaged salads.