Great!
You can try this:
Following the completion of my high school studies, I was not clear on which undergraduate program I wanted to pursue as I had quite of ideas (you can of the choices you had in mind here) in mind. Since my dad had is own company/business, he suggested that I get some work experience while thinking through my decision. Fortunately, I was able to get to work as a (put what you were doing here), for (put how long here). I was able to learn the value of hard work, dignity of labour and the true value of money. I then followed this up by pursuing a computer literacy course in (put whatever the name of course was is here) to improve on computer literacy skills. This journey took me about (put the number of months) after which I became clear on the choice of course I wished to pursue. I then applied to the University of (name of the university here) for a course in (put the name of the course here). I am confident that the quality of education I will acquire in Canada will give me a lot of leverage and international exposure that will enable stand out within my field of interest when I return home to engage in gainful employment. In the near future, I plan to start my own (type of firm) firm like my dad.
Please note that the above is just an idea, and the SOP alone does not guarantee your chances of getting a study permit approval. If you require professional assistance in helping you in packaging your application, you can DM me and we can talk more.
All the best.
Cheers
Omofar