the code; #include

#include $//$ For rounding

$//$ Function to calculate Adjusted Gross Income $($AGI$)$

int CalcAGI$($int wages, int interest, int unemployment$)\{$

return wages $+$ interest $+$ unemployment;

$\}$

$//$ Function to get deduction based on status

int GetDeduction$($int status$)\{$

switch $($status$)\{$

case $0$: return $6000$;

case $1$: return $12000$;

case $2$: return $24000$;

default:

printf$("$Error: Must input status $0($dependent$),1($single$),$ or $2($married$).$

$")$;

exit$(1)$;

$\}$

$\}$

$//$ Function to calculate taxable income

int CalcTaxable$($int AGI, int deduction$)\{$

int taxable $=$ AGI $-$ deduction;

if $($taxable $<0)\{$

taxable $=0$;

$\}$

return taxable;

$\}$

$//$ Function to calculate federal tax based on status and taxable income

int CalcTax$($int status, int taxable$)\{$

double federalTax;

if $($status $==0||$ status $==1)\{//$ Dependent or single filers

if $($taxable $<=10000)\{$

federalTax $=$ taxable $*0\mathrm{.}1$;

$\}$ else if $($taxable $<=40000)\{$

federalTax $=1000+($taxable $-10000)*0\mathrm{.}12$;

$\}$ else if $($taxable $<=85000)\{$

federalTax $=4600+($taxable $-40000)*0\mathrm{.}22$;

$\}$ else $\{$

federalTax $=14500+($taxable $-85000)*0\mathrm{.}24$;

$\}$

$\}$ else if $($status $==2)\{//$ Married filers

if $($taxable $<=20000)\{$

federalTax $=$ taxable $*0\mathrm{.}1$;

$\}$ else if $($taxable $<=80000)\{$

federalTax $=2000+($taxable $-20000)*0\mathrm{.}12$;

$\}$ else $\{$

federalTax $=9200+($taxable $-80000)*0\mathrm{.}22$;

$\}$

$\}$ else $\{$

printf$("$Error: Invalid status for tax calculation.

$")$;

exit$(1)$;

$\}$

return $($int$)$ round$($federalTax$)$;

$\}$

$//$ Function to calculate tax due or refund

int CalcTaxDue$($int federalTax, int withheld$)\{$

int taxDue $=$ federalTax $-$ withheld;

if $($taxDue $>=0)\{$

printf$("$Tax Owed: $$\%$d

$",$ taxDue$)$;

$\}$ else $\{$

printf$("$Tax Refund: $$\%$d

$",-$taxDue$)$;

$\}$

return taxDue;

$\}$

int main$()\{$

int wages, interest, unemployment, status, withheld;

$//$ Step $1$: Input

printf$("$Please enter wages, taxable interest, and unemployment compensation: $")$;

scanf$("\%$d $\%$d $\%$d$",$ &wages, &interest, &unemployment$)$;

printf$("$Please enter status $(0$ dependent, $1$ single, $2$ married$)$: $")$;

scanf$("\%$d$",$ &status$)$;

if $($status $!=0$ && status $!=1$ && status $!=2)\{$

printf$("$Error: Must input status $0($dependent$),1($single$),$ or $2($married$).$

$")$;

return $1$;

$\}$

printf$("$Please enter taxes withheld: $")$;

scanf$("\%$d$",$ &withheld$)$;

if $($withheld $<0)\{$

printf$("$Error: taxes withheld cannot be less than $0.$

$")$;

return $1$;

$\}$

$//$ Step $2$: Calculate AGI and display

int AGI $=$ CalcAGI$($wages$,$ interest, unemployment$)$;

printf$("$AGI: $$\%$d

$",$ AGI$)$;

$//$ Step $3$: Calculate deduction and display

int deduction $=$ GetDeduction$($status$)$;

printf$("$Deduction: $$\%$d

$",$ deduction$)$;

$//$ Step $4$: Calculate taxable income and display

int taxableIncome $=$ CalcTaxable$($AGI$,$ deduction$)$;

printf$("$Taxable Income: $$\%$d

$",$ taxableIncome$)$;

$//$ Step $5$: Calculate federal tax and display

int federalTax $=$ CalcTax$($status$,$ taxableIncome$)$;

printf$("$Federal Tax: $$\%$d

$",$ federalTax$)$;

$//$ Step $6$: Calculate tax due or refund and display

int taxDueOrRefund $=$ CalcTaxDue$($federalTax$,$ withheld$)$;

return $0$;

$\}$