Answer: e. Income tax expense in 2019 is zero.
Step-by-step explanation:
There will still be an income tax in 2019 so the above statement is incorrect.
American applies net operating loss carryforward up to 80% of taxable income which means that their taxable income is:
= 40,000,000 * ( 1 - 80%)
= $8,000,000
Income tax expense for 2019:
= 25% * 8,000,000
= $2,000,000