While studies by economists and sociologists suggest that the agreement with the organized bondholders group of the Puerto Rico Electric Power Authority (Ad Hoc-PREPA) and the insurance company Assured Guaranty would aggravate the island's complicated economic situation, the agreement will cost Puerto Ricans millions of dollars in fees and payments that will not be subject to tax withholding and will not have to be disclosed to the public or the court, warned fee examiner Brady C. Williamson.