Answer:
3 to 5 years
Step-by-step explanation:
Strategic planning is the management activity of the business or the firm which is used in order to set the priorities, resources, focus energy, strengthen the operations, that ensure that the employees and the stakeholders are working toward a common motive or a goal.
Under this planning, managers considered the firm as a aggregate unit and ask themselves that what must be done for the long term, which is generally, three to five years, because the long term involves the long period or year of time that seeks the long term solutions.