Over 30 years of retirement, O'Brien would collect as much as $4.69 million, according to a projection by Local Government Information Services (LGIS), which publishes South Cook News.
The projection assumes O'Brien received $98,479 in the first year of retirement, then 3 percent annual increases thereafter, compounded.
After 3 years of retirement, O'Brien will have already received $304,388 in retirement benefits, or more than the sum total of the retiree's contributions to the teachers' pension fund.
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