ofcourse,it goes unitll it look formal..
A black tie would be better, and skip the pocket square - so long as you are very very sure this business event is that formal. The only real purpose of a pocket square is to help you match a prom date or wedding party. Same goes for a colored tie. James Bond had it right - black tux, black tie, dry martini.
yes
Yeah you can
Isnt that how youre supposed to be dressed?