How do the following headlines influence self$-$interest and the social interest?

Harrod's, a London department store, is opening branches in airports, and Taco Bell is expanding throughout Canada.

All automobiles must b fitted with seat belts.

A$.$ Harrod's and Taco Bell make decisions in self$-$interest and by serving the self$-$interest of customers they contribute to the social interest. Seat belts are in the social interest, but people's decisions about whether to wear them is made in self$-$interest.

B$.$ Harrod's and Taco Bell make decisions in the social$-$interest and not in self interest. Seat belts are in people's self$-$interest.

C$.$ Harrod's makes decisions in the social interest, but Taco Bell thinks only of its self$-$interest. Seat belts are in the social interest only if people behave in the social interest.

D$.$ Harrod's and Taco Bell make decisions in self$-$interest but not in the social interest. Seat belts are in the social interest, but people's decisions about whether to wear them is made in self$-$interest.

E$.$ Harrod's makes decisions in its self$-$interest, but Taco Bell takes the social interest into account. Seat belts infringe individual choice and are against both self$-$interest and the social interest.