Straight-line depreciation = $25,352 / 5 = $5,070. Income using straight-line depreciation = $14,384 ? $5,070 = $9,314. Accelerated depreciation (years 1 and 2) = 0.35($25,352) = $8,873. Income (years 1 and 2) = $14,384 ? $8,873 = $5,511. Accelerated depreciation (year 3) = 0.3($25,352) = $7,606. Income (year 3) = $14,384 ? $7,606 = $6,778.
Deferred tax liability at the end of year three, after the change in the expected tax rate, will be $3,144:
DTL for year 1 = $1,178.93 = [($9,314 ? $5,511)(0.31)].
DTL for year 2 = $1,178.93 = [($9,314 ? $5,511)(0.31)].
DTL for year 3 = $786.16 = [($9,314 ? $6,778)(0.31)]
$1,178.93 + $1,178.93 + $786.16 = $3,144