【正确答案】Dear Sirs,
   Re: Your Sales Confirmation No．C215 Covering 4 000 Dozen Shirts
   We have acknowledgement for your letter dated 19th August in connection with the above subject.
   In reply, we have the pleasure of informing you that the confirmed, irrevocable letter of credit No．7634, amounting to ￡3500 has been opened this morning with the District Bank, Dd．Manchester.
   Upon receipt of the same, please arrange for shipment of the goods booked by us without the least possible delay.
   We are informed by the local shipping company that s.s．"Browick" is due to sail from your city to our port on or about the 10th September and, if possible, please try your best to ship by that steamer.
   Should this trim order prove satisfactory to our customers, we can assure you that repeat orders in increased quantity will be placed.
   Your close co-operation in this respect will be highly appreciated．In the meantime we await your shipping advice by cable.