Pathetic Service and rouges

I paid a 50% deposit for a mattress at your Cornubia store on the 7/10/2017. I was assisted by a very helpful and friendly sales person named Tyrone. I had advised him that at the end of the month I would pay the balance. During the course of this time i received a better deal from dail a bed. So on the 12.11.2017 I went into the store to cancel my purchase and get a refund. Prior to doing so I went onto your website to read the terms and conditions of your refunds. On the day when I requested a refund I was assisted by Tyrone again and your store manager who I must say has no management s****s, she was busy on her cellphone the whole time instead of properly assisting me. She told me that i would be charged a 15% handling fee and mind you this is a mattress that i never took home. It stayed in your store the entire time. I didn't want to argue with her as I was already irritated with her service so I just left my details and left. I then logged a complaint on your website and I was contacted by your Springfield store manager so advised me that he would assist me. I was asked to send him my details and I did so. I had sent all my details by the 16.11.2017. I never got a confirmation to say if he has received my docs and information. On the 24.12.2017 I sent him another email requesting feedback. Till today I am still awaiting a response AND MY MONEY!!!! To me it basically looks like you guys are so fast to take customers money but it is very hard for url to give it back. This kind of service is pathetic and I will never shop with matress king ever. I will make sure that i will spread the word about how horrible service I have received from your company. Why do I have to wait so many days for money that belongs to me. Why must I keep following up, What are your managers there for then? In my last email to your Springfield manager all I asked for was feedback. Stop keeping me in the dark. I now demand that my money be paid back into my account in full by the end of this week or I will make arrangements to collect the full amount from Cornubia. I am not accepting a 15% handling fee and I will not wait longer than till the end of this working week. I will take this to social media and I will go legal if need be. I know my rights as a consumer and I have been quiet for too long. I will await a response from higher management today. I do not want to speak to any of your store managers as they all lack customer service and cannot assist me.