In: Accounting
Total standard deduction for 2020 is
$12,400 - Singles
$24,800 - Married, filing jointly
$12,400 - Married , filing separately
$18,650 - Head of household
Jessica being a minor will fall under the category of singles and is eligible for a deduction of $12,400. However her income is $2,500 for the year from the helper job.
So she can claim a maximum deduction of $2,500 for the year 2020