Poor and Worst Service

I recently opened an account with RUSSELS - TSAKANE MALL and ordered 3 items. The items were delivered on the 2nd of July. Unfortunately, I was not home when the delivery happened. Upon arrival at home, I checked if all is in order but unfortunately one of the items, which one was a kitchen unit was dysfunctional, one of the drawers was not opening properly. I logged a complaint on the 3rd of July, one of the sales consulted can through to check and tried to fix the drawer but unfortunately, he failed. I kept on following up with the Store, but I failed to get assistance until I went to the store personally and addressed the matter with the manager. My complaint was only processed on the 17th of July and received a reference number on that day. To date, no one has followed up if the drawer is fixed or not, an in addition no one has come through to sort out the problem with the drawer. I wanted to return the unit, but the consultant promised to send someone to fix. To date, the kitchen unit is still dysfunctional. To my surprise, yesterday I received a statement reminding me of a payment due at the end of August. Basically, I'm being requested to pay for a broken item.