sentences:  In 1989, the company's subsidiary Aloha Petroleum was sold to company insiders for $12 million, most of which was borrowed from Harken.The sale of the subsidiary for an exorbitant price helped the company show a profit that year and disguise losses, a similar technique used by Enron that led to the Enron scandal.In September 1989, the company made an offer to acquire Tesoro Petroleum.