Choose the best answer.

Apple currently has a unique capability to design cool consumer electronic products, but you conclude that there are no significant barriers for other companies to imitate or replicate this capability in the future.

Therefore, what impact does this product design capability have on Apple's competitive advantage? a$.$ it gives apple competitive parity b$.$ it has no effect on apples competitive advantage c$.$ it gives apple a temporary competitive advantage d$.$ it gives apple a sustainable competitive disadvantage e$.$ it gives apple a dynamic competitive disadvantage