The $\_\_\_\_\_\_\_\_\_$ product $$ for example, the component of a personal computer or the recipe for a soup $$ may indeed be the same as or highly similar to those of competitors, leaving the marketer with the other tangible and$\_\_\_\_\_\_\_\_\_\_$ features of the product with which to achieve differentiation.

a$.$

core; potential

b$.$

potential; augmented

c$.$

augmented, potential

d$.$

core; augmented