The deferred tax liability will decrease by $1,014 = ($4,158 − $3,144) due to the new lower tax rate. An adjustment of $1,014 in tax expense will result in an increase in net income by the same amount of $1,014.
Deferred tax liability at the end of year 3 with tax rate of 41% = $4,158.
Deferred tax liability at the end of year 3 with tax rate of 31% = $3,144.
