单选题

A cell phone manufacturer has switched to high margin premium-priced products with the most innovative features as part of its product differentiation strategy. Which of the following other changes is most consistent with this strategy?

A、 An increase in inventory levels
B、 A decrease in R&D expenditures
C、 An increase in advertising expenditures

【正确答案】 C

【答案解析】

C is correct. Expenditures on advertising and research are required to support a product differentiation strategy. The effect on inventory is uncertain.