Answer: a. long-term plans.
Step-by-step explanation:
Long term plans in a business are considered Strategic Plans. Strategic plans aim to formulate general long term goals and visions for what the company aims to do in future and what level they aim to be at.
These types of goals are usually for the policy makers in a company being the Top Executives who are tasked with the long term growth of the company.
The Top Executives come up with these plans and then the Mid and lower level managers come up with tactical and operational plans to meet the objectives of the plans.