Mr price credit department

I received an sms notifying me that I could apply for a credit limit increase. I forwarded all the necessary documentation and I has now been more than a week without any acknowledgement or feedback. This is now my third attempt in sending my personal documents to ********** This is unacceptable because no body ever responds to my email even though I have held an account with the store for more than four years and my installments are never not paid in on time. I am fed up and am considering closing my store account: ********** 456