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I am writing this letter to give my feedback and requesting a refund, (avoid comma) regarding a mug I recieved (received) yesterday
[avoid any kind of attachment details or documents mentioning in the letter like this]
[yours faithfully-formal letters, especially when recipient’s name is unknown]
add more of lexical words to have a balanced explained content. Different sentence range will make writing even more effective
well tried.
keep writing!!!
