Overcharge in an invoice – Banking Letter Writing Samples/Format

Overcharge in an invoice Dear Sir, I am returning herewith your invoice No. 863 for amendment because you have charged Rs. 15/- per piece of woollen muffler while your price list quotes Rs. 11/12 for it. Kindly send the amended invoice for payment. Yours Faithfully Shyam Kumar Reply to above Dear Sir, Thank you for……