【正确答案】Letter A
   Dear Sirs,
   This time last year you placed an order for Type BS362 12-voh sealed batteries． This is a discontinued line which we had on offer at the time.
   We now have a similar product on offer, Type CN233． It occurs to us that you might be interested．A descriptive leaflet is enclosed．We have a stock of 590 of Type CN233 which we are selling off at GB￡30 each.
   We can offer a quantity discount of up to 15/% , but we are prepared to give 20/% discount for an offer to buy the complete stock.
   We are giving you this opportunity in view of your previous order． We would appreciate a prompt reply, since we will put the offer out in the event of your not being interested.