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Daily Challenge — August 28, 2026

tax accounting · tax formula

Katherine Mitchell is a single, self-employed forensic accountant based in Denver, Colorado, who earns a substantial salary as a part-time contractor for a regional financial consulting firm in addition to running her own solo forensic accounting practice. She holds a diversified investment portfolio generating qualified dividends and long-term capital gains from the sale of appreciated index fund shares. Katherine pays significant mortgage interest and state/local taxes on her downtown condo, which drives her itemized deductions above the standard deduction threshold.

Correct Answers

A G I

$188,650.00

gross Income

$200,050.00

tax Liability

$29,627.50

taxable Income

$158,850.00

refund Or Due Amount

$16,077.50

refund Or Due Direction

Balance Due

Step-by-Step Solution

TAX FORMULA — Katherine Mitchell (SINGLE)

GROSS INCOME
  Wages:                  $167,300.00
  Interest Income:        $4,200.00
  Ordinary Dividends:     $2,350.00
  Business Income:        $10,700.00
  Capital Gain:           $15,500.00
  = Gross Income:         $200,050.00

  − Above-Line Deductions: $11,400.00
  = AGI:                  $188,650.00

DEDUCTIONS
  Standard Deduction (single): $14,600.00
  Itemized Deductions:    $29,800.00
  Deduction Used:         $29,800.00 (itemized)
  = Taxable Income:       $158,850.00

TAX CALCULATION
  Ordinary Taxable Income: $141,750.00
  Ordinary Tax:            $27,062.50
  LTCG + Qualified Div:   $17,100.00
  LTCG Tax:               $2,565.00
  − Credits:              $0.00
  = Tax Liability:        $29,627.50

  − Taxes Withheld:       $13,550.00
  = Tax Due:             $16,077.50