Determine the amount of the standard deduction for each of the following taxpayers for tax year 2019:

1. Christina, who is single.
2. Adrian and Carol, who are filing a joint return. Their son is blind.
3. Peter and Elizabeth, who are married and file separate tax returns. Elizabeth will itemize her deductions.
4. Karen, who earned $1,100 working a part-time job. She can be claimed as a dependent by her parents.
5. Rodolfo, who is over 65 and is single.
6. Bernard, who is a nonresident alien with U.S. income.
7. Manuel, who is 70, and Esther, who is 63 and blind, will file a joint return.
8. Herman, who is 75 and a qualifying widower with a dependent child.

	Standard deduction
a.	$12,200
b.	$24,400
c.	$0
d.	$1,450
e.	$13,850
f.	$0
g.	$27,000
h.	????????