Which of the Following Is an Advantage Offered by Co-Branding

Which of the following is an advantage offered by co-branding?

A) Manufacturers do not have to invest in creating their own brand names.
B) Retailers have exclusive products that cannot be purchased from competitors.
C) A company can expand its existing brand into a category it otherwise might have difficulty entering alone.
D) Advertising, sales, promotion, and marketing must be carefully coordinated.
E) Brand equity is stabilized.