A Chinese Ilyushin IL-76s aircraft taxies past another parked on the tarmac at Perth International Airport after returning from search operations for wreckage and debris of the missing Malaysia

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A Chinese Ilyushin IL-76s aircraft taxies past another parked on the tarmac at Perth International Airport after returning from search operations for wreckage and debris of the missing Malaysia Airlines Flight MH370, in Perth, Australia, Monday, April 7, 2014. It’s not a question most governments involved in the hunt for Flight 370 care to answer: How much has the far-flung, month-long search cost? Several Chinese ships and planes have been involved in the search, but China’s foreign ministry did not respond to questions about the expense of the effort. (AP Photo/Rob Griffith)

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Associated Press
Mon, Apr 7, 2014 10:53 AM EDT