Mini, Inc., earns pretax book net income of $750,000 in 2018. Mini deducted $20,000 in bad debt expense for book purposes. This expense is not yet deductible for tax purposes. Mini records no other temporary or permanent differences. Assuming that the pertinent U.S. tax rate is 21 %, compute Mini 's total income tax expense, current income tax expense, and deferred income tax expense.