Question:
In the motivation letter, articulate clearly your reasons for applying. Consider your activities, experiences and commitment related to the field of the programme. Relate your plans after graduation, in case you are admitted to the programme. The maximum length of the motivation letter is 4,000 characters in Latin alphabet, including breaks and punctuation. The motivation letter must be written in English.
See the university link and details, write sop according to that
https://www.jyu.fi/en/apply/masters-programmes/masters-degree-programmes/international-business-and-entrepreneurship