Essays / Motivation letter for Msc Finance; Need Ideas [2]

Dear All,

I need to write a motivation letter as one of requirement of admittance in Msc Finance. My problem is that I don't really have clear ideas for what I have to write. Therefore I need some suggestions from you guys.

Hereby are my backgrounds:
- I have bachelor degree in Electrical engineering
- Have been working for almost 3 years as service engineer in a fast growing electrical manufacturing company
- Always have a passion for mathematics. I got an average of 8.5 for mathematics or mathematics related subject during my previous study.

Any suggestions would be highly appreciated.

Regards,
Ben