Despite the Success of Its Pentium Chips, Intel Faced a Major

Despite the success of its Pentium chips, Intel faced a major threat from AMD's cheaper K6 chips, which were better placed to serve the emerging low-cost PC market. Intel wanted to protect the brand equity and price premium of its Pentium microprocessors, but it also wanted to avoid AMD gaining a foothold into the lower end of the market. So it created Celeron as a cheaper, less powerful version of its Pentium chips to serve this market. This is a notable example of a

A) private brand.
B) brand extension.
C) subbrand.
D) co-brand.
E) fighting brand.