Compute the $2023$ standard deduction for the following taxpayers.

If an amount is zero, enter $"$O$".$

Click here to access the Exhibits $3\mathrm{.}4$ and $3\mathrm{.}5$ to use.

a$.$ Ellie is $15$ and claimed as a dependent by her parents. She has $$875$ in dividends

income and $$2,320$ in wages from a part$-$time job.

b$.$ Ruby and Woody are married and file a joint tax retum. Ruby is age $66,$ and Woody

is $69.$ Their taxable retirement income is $$13,990.$

c$.$ Shonda is age $68$ and single. She is claimed by her daughter as a dependent. Her

eamed income is $$210,$ and her interest income is $$425.$

d$.$ Frazier, age $50,$ is married but is filing a separate return. His wife itemizes her

deductions.