On July 1 2012 Daveco purchases a new power hammer for $25,000. It is expected that the hammer will be used for $12,000 hours over the next ten years before sold off for $1,000 in salvage. The hammer is actually used for 700 hours in 2012 and 1500 hours in 2013. What is depreciation expense for 2012 and 2013 under each of following methods?