Rocky Co. had a deferred tax liability balance due to a temporary difference at the beginning of 2017 related to $1,500,000 of excess depreciation. In December of 2017, a new income tax act is signed into law that lowers the corporate rate from 40% to 35%, effective January 1, 2019. If taxable amounts related to the temporary difference are scheduled to be reversed by $750,000 for both 2018 and 2019, Rocky should increase or decrease deferred tax liability by what amount?a. Decrease by $75,000b. Decrease by $37,500c. Increase by $37,500d. Increase by $75,000