Suggestions of a total package that could be worth £3.5 or £4m have been mentioned with it likely to mean a lump sum with add ons including appearances, promoition and England caps.
Cameron scored 18 league goals for City last season and will not be easy to replace. Within 18 months he's emerged as one of the most potent strikers at this level.
Best of luck at Birmingham and good luck for the future (except for the games you play against Cardiff).