go to national australia bank (nab) at www.nab.com.au and download the latest annual report. q. 1) what is the main source of revenue for NAB? what is the main source of revenue jb-hifi ltd? what implications does this have for recievables on the balance sheet for both companies? it is for a group presentation. i have to present it in a powerpoint and talk for least 3 to four min. so please make it simple to understand and please highlight the points i need to show in powerpoint. and also proivide the num of refrences.