Which of the following are short-run adjustments, and which are long-run adjustments? a. Wendys builds a new restaurant: (Click to select) . b. Harley-Davidson Corporation hires 200 more production workers: (Click to select) . c. A farmer increases the amount of fertilizer used on his corn crop: (Click to select) . d. An Alcoa aluminum plant adds a third shift of workers: (Click to select) ..