Steve Greene, age 66, is divorced with no dependents. In 2018, Steve had income and expenses as follows: 
Compute Steve's taxable income for 2018. Show all calculations.
Definitions:
X Chromosome
One of the two sex chromosomes, X and Y, that determine biological sex, with females typically having two X chromosomes.
Menarche
The onset of menstruation in female individuals, marking a key event in female puberty and reproductive maturity.
Gender Identity
An individual's personal sense of their own gender, which may or may not correspond to their sex assigned at birth.
Androgyny
The combination of masculine and feminine characteristics into an ambiguous form.
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