In which of the following situations is the taxpayer not required to file a 2019 income tax return? a. When the taxpayer is a 69-year-old widow (spouse died 3 years ago) with wages of $16,500 and no dependents. b. When the taxpayers are a married couple with both spouses under 65 years old with wages of $26,000. c. When the taxpayer is a single 67-year-old with wages of $9,800. d. When the taxpayer is a 35-year-old head of household with wages of $18,900. e. When an individual has a current year income tax refund and would like to obtain it.

when the taxpayer is a single 67-year-old with wages of $9,800---c

Explanation: Most taxpayers are eligible for the  standard deduction which is the  amount  set by government that shows the amount one is eligible for and depends on age and  filing status.

One does not need to file a return as long as the person[s  income is less than their  standard deduction.

In 2019, a criteria that makes an individual not to  file a tax return if they  Earn less than $12,200 (which is the 2019 standard deduction for a single taxpayer). or less than $24, 400 for married couples filing jointly .

Here,the answer is when the taxpayer is a single 67-year-old with wages of $9,800.This is because the tax payer's gross income is  less than standard deduction for year 2019