abstract:A mass deficit is the amount of mass (in stars) that has been removed from the center of a galaxy, presumably by the action of a binary supermassive black hole.
Assuming an average flow rate of about 1.5 million homes per year, you can eyeball the stock deficit by comparing the mass above and below the zero on the following graph.
Since its owners also possess Pulenta Estate, a vineyard, they agreed to launch a new line of mass-market wines for export, erasing the family's trade deficit.