In the second paragraph,what features does differentiated marketing have compared with und

In the second paragraph, what features does differentiated marketing have compared with undifferentiated marketing？

A．Consumers will purchase less. Differentiated marketing creates less total sales and the production as well as marketing costs are reduced.

B．Consumers will purchase more. Differentiated marketing creates more total sales and the production as well as marketing costs are reduced.

C．Consumers will purchase less. Differentiated marketing creates more total sales and the production as well as marketing costs are increased.

D．Consumers will purchase more. Differentiated marketing creates more total sales and the production as well as marketing costs are increased.

请帮忙给出正确答案和分析，谢谢！