The results for last year include $129 million, or 9 cents a share, from the sale of an investment and an associated tax benefit.
The prior year revenue included $650,000 from the sale of a patent.
The latest year included a $923,000, or 9 cents a share, gain from the sale of land and office property at three locations.
The authority's latest budget includes $1 billion from the sale of land and other assets.
The profit included 730 million francs from the sale of assets.
The 1989 results included a $4.2 million gain from the sale of television stations.
The 1986 quarter included a $24 million gain from the sale of certain oil and gas interests.
But the figure a year earlier included a $1.63 billion gain from the sale of the cable business.
Income for the latest quarter included $866.6 million from the sale to Sony.
Results for 1988 included a loss of $206,000 from the sale of securities.