【正确答案】(DEF BANK’S HEAD) (Date of Writing this letter) (Writer’s Reference ) ABC BANK (and its address) (Attention note) Dear Sirs, Change in Interest Rate This letter is to notify that effective July 1st ,19XX until further notice interest is to be calculated on the credit balance at 5.5% p.a. (instead of 5% at present) and charged at 6% p.a. on overdrafts in your Renminbi Account with us. We would add that. Generally your account is not allowed to be overdrawn and it is hoped that you will see to it that your account always keeps a credit balance and is replenished in time when overdrawn. Yours faithfully, DEF BANK (My signature) (My name typed out in capitalized letters ) For (Controller’s name) (Controller)