If a law does not abide by the Constitution, is that law legal?

Explanation:

Constitutionality is the condition of acting in accordance with an applicable constitution;[1] the status of a law, a procedure, or an act's accordance with the laws or set forth in the applicable constitution. When one of these (laws, procedures, or acts) directly violates the constitution, it is unconstitutional. All the rest are considered constitutional until challenged and declared otherwise, typically by courts through judicial review.

answer; (c) the product does not cost the price shown in the advertisement; i believe this is correct; /// plz check   first good luck