Final answer:
Vickie will pay 8,000 in income tax annually.
Step-by-step explanation:
To find the amount of income tax Vickie will pay annually, we need to multiply her income by the tax rate.
Income tax = Income × Tax rate
Income tax = 40,000 × 0.20
Income tax = 8,000
Therefore, Vickie will pay 8,000 in income tax annually. Option A) 8,000 is the correct answer.