DSTV INTERNET IS A ****

I saw an adverti*****t of instagram of Dstv internet and I app**** for it, two days later I got a call from their agent and we proceeded with the process of getting the Dstv internet of stand-alone offer. I choose an offer of R449 per month which is 400gb (any time) data so while applying for that the lady said I got a discount from R449 to R150 which is the amount I will be paying every month till the contract ends. But now when I check on my Dstv App it shows the R577 which I don’t know