Financial accounting - change in useful life?

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Betterment Co has constructed a small building for $464,000 on January 1, 2008. When the building was built, it was expected to be used for 6 years and then sold for $70,000. At the beginning of January 2011, a $200,000 addition was made to the building so it would be useful under December 31, 2016, at which time it is expected to be sold for $20, 000. Betterment uses the straight line depreciation method. The depreciation expense for 2011 will be?


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Financial accounting - change in useful life?