Answer:
Hello! It came to my attention that you sent me a bill this week. I opened the bill and looked at it and it came to notice that I had already payed this bill. You sent me this same bill last month and I have the receipt for it. Please stop sending me this bill and I refuse to pay it.
Explanation:
Sorry if this wasnt good! I couldnt use 200 words so you might have to add to it... sorry!! Good luck!