Disgusted and disappointed

A blender machine that i purchased from pnp used once to make a smoothie and it was blending then just stopped while doing so. i took back to the store yes it was after a month not same day as not only a business women but a npo and bearly have time for myself. Looking at the product you can see it is still new and was on a special at the time i purchased it. The manager last week friday tells me no he cant exchange without a till slip or refund me my money. I stated that i dont want a refund i want another machine. <br> Eventually i walked out the store and said its fine keep your machine i will just refrain from using this store. <br> After a while the lady came running after me and said he said he will exchange the machine. I refused and said they can actually keep it. I will not be embarrassed and degraded like i am doing something wrong. Dont treat a customer like a ***** first to see their retaliation. I worked in customers services for many years and if this is customer services today then more people like me are needed in stores... How many other customers are been treated in this way? they said they stable the till slip to the box before the customer leaves....