In 2018, NB Inc.'s federal taxable income was $284,000. Compute the required installment payments of 2019 tax in each of the following cases: (Round your intermediate calculations and final answers to the nearest whole dollar amount.) a. NB's 2019 taxable income is $489,000. b. NB's 2019 taxable income is $611,000. c. NB's 2019 taxable income is $1,361,000. Callen Inc. has accumulated minimum tax credits of $1.44 million from tax years prior to 2018. The following are Callen's regular tax before credits for 2018 through 2021. 2018 $170,000 2019 $190,000 2020 $160,000 2021 $20,000 Regular tax before credits Complete the following table to calculate Callen's allowable minimum tax credit each year. (Negative amounts should be indicated by a minus sign. Enter your answers in whole dollars not in millions.) In 2018, NB Inc.'s federal taxable income was $284,000. Compute the required installment payments of 2019 tax in each of the following cases: (Round your intermediate calculations and final answers to the nearest whole dollar amount.) a. NB's 2019 taxable income is $489,000. b. NB's 2019 taxable income is $611,000. c. NB's 2019 taxable income is $1,361,000. Callen Inc. has accumulated minimum tax credits of $1.44 million from tax years prior to 2018. The following are Callen's regular tax before credits for 2018 through 2021. 2018 $170,000 2019 $190,000 2020 $160,000 2021 $20,000 Regular tax before credits Complete the following table to calculate Callen's allowable minimum tax credit each year. (Negative amounts should be indicated by a minus sign. Enter your answers in whole dollars not in millions.)