Marketers must continually acquire information about trends, events, and societal dynamics occurring in the marketing environment outside of the firm in order to identify and interpret potential positive and negative forces that may impact the firm's marketing strategies.The following statements provide examples of trends related to environmental forces. Which of these examples is correct? a$.$ China's emergence as a world leader in manufacturing is related to social forces.b$.$ Advances in biotechnology, cosmetic surgery, and cancer drugs are related to technological forces.c$.$ Decline in smoking and tobacco use throughout the world is related to economic forces.d$.$ China's emergence as a world leader in manufacturing is related to demographic forces.e$.$ Greater concern for privacy and personal information collection is related to social forces.