Unable to provide proof of payment for something in was charged for

<p>You guys are so pathetic I have been charged R3000 for a tracker unit and I am still paying R199 a month for a subscription this is due to the fact that I am on a 36 month contract and this come with free installation, I have queried this with tracker and they have requested proof of payment from the toyota in westville ,the agent spoke to micheal korbestein the dp and she said that he was very rude and told her he will send the proof of payment when he has time and cut the call ...is this how you guys do business???in also spoke to Robert and requested for the proof but he tells.me he doesn't have it so where did the R3000 go to??</p>