Determine the amount of the standard deduction allowed for 2020 in the following independent situations. In each case, assume the taxpayer is claimed as another person's dependent.

		Amount of the Standard Deduction
a.	John, aged 17, has income as follows: $1,200 interest income from a savings account and $3,100 in wages.	$_____
b.	Dutch, aged 14, has income as follows: $850 in cash dividends from stocks, $600 from municipal bond interest, and $300 in wages.	$_____
c.	Grimshaw, aged 20, has income as follows: $1,000 inherited from her grandmother and $2,900 from mowing lawns.	$_____
d.	Saddie, aged 23, has income as follows: $900 in cash dividends from a stock investment and $8,200 from a part-time job.	$_____
e.	Arthur, who is 68 and legally blind, has income as follows: $5,000 in Social Security benefits and $3,000 in earned income.	$_____

From student: Please explain the rules for single-under age 65 and not blind, single-over age 65 and not blind, and single-over age 65 and is blind. Thank you very much, Mr. Chegg expert.