Palm Beach County’s Office of Inspector General acted on 1,100 calls to its fraud hotline and identified more than $11 million in potential savings for taxpayers, according to its 2015 annual report released Monday.

The office identified $6.4 million in questionable expenditures during the 2015 fiscal year not backed up by adequate documentation, according to the report. It found $11.7 million in avoidable cost over the next three years and issued 94 recommendations. About $72,710 in expenditures were found that could be paid back to taxpayers.

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