I'm assuming that less hot dogs would be made and therefore the price of hot dogs would increase.
If you conserve or save scarce resources they will no longer be as scarce as before and more of those scarce resources will be available. Conservation can even make the scarcity of a resource nonexistent, meaning the resource is now plentiful or enough.
B because it will only leave the core which is the base of the star the rest will be faded away