which career is more suitable please give sum advices?

i was thinking about doing a 4 year program in humber college for canada on marketing so i can advertise products or do some selling or i was thinking about becoming an industrial electrician which does more facotry repairs and such. i really like both of these jobs but at the end after 10 years of working which job would make more money also which job would you choose if you were me please help out in appropriate way thanks