Part AThe Rourke Group bought a tractor on January $1,2005$ for $$65,000.$They use the declining balance depreciation method with a $30\%$ rate$\mathrm{.}1.$ Calculate the depreciation for the year ended December $31,2005\mathrm{.}2.$ Calculate the depreciation for the year ended December $31,2006.$Part BJacob Manufacturing purchased a new truck on April $1,2005$ for $$30,000.$ The truckis expected to have a residual value of $$2,000$ and its useful life is anticipated to beseven years. The company uses the straight$-$line method of depreciation. JacobManufacturing has a December $31$st year$-$end$\mathrm{.}1.$ Calculate the depreciation expense for the first year $($December $31,2005)\mathrm{.}2.$ Prepare the journal entry to record depreciation expense for the first year.$($Ignore account numbers.$)3.$ Calculate the depreciation expense for the second year $($December $31,2006)\mathrm{.}4.$ Calculate the net book value at December $31,2006.$