ARCHITECTURE, BUILDING & CONSTRUCTION
Working unpaid sucks, and there is always the risk of some degree of exploitation.
Salary Jump: From $52,000 at 24 to $91,000 at 28
Commercial builders construct everything from hospitals, stadiums, schools, roads, office blocks to airports. Think large scale.
Strictly speaking, interior architecture is a subject and not a profession. Until now?
Your mathematical ability should never be the factor that keeps you of architecture.
Beware that it will probably combine inspiration, perspiration, frustration, and elation in equal amounts.