Quiz: How much of gold can be found in 500K handsets?

Japan's Ministry of Economy, Trade and Industry has just finished its cell phone recycle campaign across the country reporting 567,056 mobile phone units collected. The ministry also published some interesting stats about precious metals contained in the colected lot of retired phones. If properly extracted, about 22 kilograms of gold, 79 kilograms of silver, 5,670 kilograms of copper, and 2 kilograms of rare palladium can be recycled. Now, it doesn't say anything about the extraction costs but nevertheless, these are some impressive numbers.


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