Picture Matte When Printing Out A Professional Photographer's Picture (we Bought The Negatives)-do You Print Matte Or Glossy

When printing out a professional photographer's picture (we bought the negatives)-do you print matte or glossy - picture matte

Also: Where is printed in a professional and what should it cost? As in "I know you can, at the Kodak Web site or Wal-Mart, but the quality is not there. Can with the electronic image that you print) print quality (such as format-matte/glossy and that the price in require attention?