Which one of the following statements best describes a postage meter?

Which one of the following statements best describes a postage meter?
 
  A) Your company purchases the machine and the meter is leased from the manufacturer and
  is licensed with a fee charged by the post office.
  B) The machine itself is purchased, but the meter is leased from the manufacturer and is
  licensed with a fee charged by the post office.
  C) The machine and the meter is leased from the manufacturer and is licensed without
  charge by the post office.
  D) The machine itself is purchased, but the meter is leased from the manufacturer and is
  licensed without charge by the post office.