Revision of Depreciation On January 2. 2009. Mosler, inc., purchased equipment for $76,000. The equipment was expected to have a $7,000 salvage value at the end of its estimated six-year useful life. Straight-line deprecation has been recorded. Before adjusting the accounts for 2013, Mosler decided that the useful life of the equipment should be extended by two years and the salvage value decreased to $5,000. Round your answer to the nearest dollar. Prepare a journal entry to record depreciation expense on the equipment for 2013. What is the book value of the equipment at the end of 2013 (after recording the depreciation expense for 2013)