Spain is an importer of computer chips, taking the world price of $$12$ per chip as given. Suppose Spain imposes a $$5$ tariff on chips. As a result,

a$)$ Spanish consumers of chips gain and Spanish producers of chips lose.

b$)$ Spanish consumers of chips lose and Spanish producers of chips gain.

C$)$ Spanish consumers of chips and Spanish producers of chips both gain.

d$)$ Spanish consumers of chips and Spanish producers of chips both lose.