Restonic (Sleepmaster) Beds

Good Day. I'm very disappointed with the quality of Sleepmaster bed that i bought last year, the bed price was R4999.00 at bradlows. Last month I decided to officially complain on their website and I wasn't satisfied with the response I got from Bradlows when they did the follow ups. I asked me to at least up my budged and buy another good quality bed and I thought i bought quality bed. Its been a year now but the frame of the mattress started bending and the metal spirals started showing. I decided to contact sleepmaster again on monday and they called me yesterday asking the pictures to see conditions of the bed, I've send them. the consultant gave me two options 1st was to buy another bed with the same budget and they will credit bradlows and 2nd was to put the balance there for to add it up and buy maybe and expensive one and I took the 2nd option, today she contacted me via whatsapp saying that restonic won't be able to do any of the options because the mattress is stained and dirty. 1st of all I didn't plan your quality to fail on me after a year (2020) I've purchased your bed, it just happened to be honest if the quality of the bed was good from the get go I wouldn't be here complaining, but you're blaming me for the stains as if I have planned the quality issues (the bed loosing shape and spirals coming through the mattess. Please assist me here, this bed is uncomfortable a refund, or at least replacement mattress will be appreciated. The base it is still in good condition, please assist with the mattress issue.