Dell's Factories Can Assemble a Complete PC in Three Minutes

Multiple Choice

Dell's factories can assemble a complete PC in three minutes. With a build-to-order strategy at the heart of its business model, Dell's sales staff maintains close ties with customers. This approach represents which aspect of the Porter's five forces model?

A) rivalry among competitors
B) bargaining power of buyers
C) threat of substitute products
D) threat of new entrants
E) bargaining power of suppliers