Why was de beers worried that people might resell their old diamonds? if people resell their old diamonds, then

a. used diamonds would not have a brand name.

b. market supply would increase, increasing market prices.

c. market competition would increase, decreasing profits.

d. de beers would become a natural monopoly.

e. de beers would not be able to gain patent protection?

c. market competition would increase, decreasing profits.

Explanation:

if people resell their old diamonds, then market competition would increase, decreasing profits. Introducing de beers old product into a market system will directly alter the sales of new products being developed by de beers. Their products has gained great trust among customers and even in the case of resales, a good number of needing customers would not mind as the value of Diamonds stays on the high side and this will affect market competition.

what are the sentences? so we can answer the question.

answer; ///blank(1); dealers; blank(2); brokers;