At one time, heinz made its own brand of soups. the company also produced those same soups to be sold as store brands. the heinz soups and the store-brand soups were differentiated only by their label. if harris pilton bought heinz soup because she said, "everyone knows the store brand soup is nasty," this indicates:
a. monopolization by heinz
b. consumer cooperation
c. product homogeneity
d. product differentiation

D. Product differentiation

Explanation:

Product differentiation is the marketing strategy use by a company to distinguish similar products or services.

product differentiation strategy is the method which company uses to improves on a particular products over another, maybe due to competitor brand or consumer comments.

a. decomposes use carbon from dead organisms as fuel for cellular respiration, returning carbon dioxide back into the atmosphere.