+1.None. Commerce is way too theoretical and really fills your head with crap with regards to trading/investing/making money.
Learn yourself.
+1+1.
Most great entrepreneurs have had actual dreams and hobbies, "making money" was a 2nd result. Richard Branson, Bill gates.. neither have a commerce degree.
A business man is born not taught in a lecture hall.
Because scientists and engineer's had good problem solving skills to begin with?Science and engineering.
Not everyone is able to solve problems like a scientist or engineer does.