trump's income last year, at least $362 million. >> nobody knows how rich i am. >> reporter: trump posts he's worth $10 billion. this filing shows he's worth at least $1.4 billion. because the form only asks for broad ranges his maximum worth can't be estimated. we asked independent accountants to walk us through the numbers. >> he listed his residence, the trump tower as $50 million. it could be $1 billion. we really don't know. we only know what he wants us to know. >> reporter: the paper showed trump's golf-related assets are at least $500 million. near $2 million in speaking fees, most from marketing firm acn. his bestselling book made him up to $50,000. and he collects a $100,000 pension from the screen actor's gild. >> for somebody like himselfis worth apparently a lot of money, it might be more