Non-Communication of Costs/Increaments

Apparently my rent has increased from R3520 to R4770 in a space of 12 months WITHOUT notice.<br> I had authorised a debit order of R3700 every month from October 2014 to date and the accounts woman (Rachel) did not explain that R3700 would not cover all costs (municipal costs,casual parking and water) so now iam getting billed an extra R1070 for my new rent which i did no get notice and have not authorized. Who check and verifies that all these amounts/costs are accounted for and are billed to the right tenant? who must communicate changes of billing to tenants? why must tenants act with rage and disappointment all the time because management does not talk to us? Why does city property like to slap people with changes and be unavailable to explain changes ? Who is the CEO and what is he /she doing about this bad service? We must pay rent on time but nobody gives us feedback about anything happening and around the building or with our accounts. I hate city property with a passion, you are cold hearted and unprofessional.