How does Levene use hyperbole when describing his occupational success in the novel, Glengarry, Glen Ross?

Shelly Levene clams that in the past he pulled down hundreds of dollars in commission. He says that his sales alone bought Mitch a new luxury car and Murray a trip to Bermuda. In these days, Levene states, he could have Mitch and Murray do anything for him, so valuable he was to the company.