Answer:
a. A qualifying widow (age 67) with a dependent child and income of $18,800.
Explanation:
A tax return can be seen as the way in which forms are filed with different tax authority that helps to reports income, expenses, and other tax information and this tax return also allow tax payers to calculate their tax liability as well as their tax payments schedule among others.
A qualifying widow (age 67) with a dependent child and income of $18,800 does not have to file a tax return for 2019 because of the following reasons:
1. They are of age (age 67)
2. The person is a widow
3.They person has dependant child .
4. The person only has an income of $18,800 which might not be enough for the person to cater for her self including the dependent child.