transkript: 3. Which of the following statements is used as a closing expression in business letters? Aşağıdakilerden hangisi iş mektuplarında kapanış ifadesi olarak kullanılır? A) lam writing on behalf of B) | Wook forward to hearing from you. C) Dear Sir/Madam D) As you stated ın your Wetter, E) Iwonder af you could