Internal Audit and Credit Control could have been merged and ADVERTISING is inevitable... Exactly thats what the you have just done...

In as much as all these exist, how u tend to make awareness...? ADVERTING... Check Webs, Streets, Mall, Offices, Homes, Hospitals, Constructions Sites, Insurance Notes..undoubtedly.. Its everywhere...

Internal Audit and Credit Control are unnecessary tautalogy....Read and adjust ur lists then include ADVERTISING.