A falling-out over a business deal involving two former long-time friends and business associates has ended with a judge ordering Langley real estate agent Geoffrey Stephenson to pay a $ 25,000 punitive fine for the way he dealt with Thomas Mulligan. According to the judgment, filed Oct. 24 , Stephenson and Mulligan had been friends for decades, and Mulligan had worked as a licensed realtor from 2002 to 2005 at Greyfriars Realty International Ltd., a company owned and operated by Stephenson.