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Daily Challenge — October 3, 2026

tax accounting · tax formula

Constance Whitfield is a single orthopedic surgeon based in Scottsdale, Arizona, who earns a substantial salary from her hospital employment as well as net income from a private consulting practice she operates as a sole proprietor. During 2024, she sold appreciated stock resulting in a $25,000 long-term capital gain, received interest from a high-yield savings account, and collected dividends from her brokerage portfolio. Her above-the-line deductions consist of self-employment tax deduction related to her consulting business, and she has significant itemized deductions from mortgage interest on her primary residence, state and local taxes (capped), and charitable contributions.

Correct Answers

A G I

$250,850.00

gross Income

$254,450.00

tax Liability

$43,211.50

taxable Income

$219,650.00

refund Or Due Amount

$28,931.50

refund Or Due Direction

Balance Due

Step-by-Step Solution

TAX FORMULA — Constance Whitfield (SINGLE)

GROSS INCOME
  Wages:                  $160,500.00
  Interest Income:        $5,100.00
  Ordinary Dividends:     $6,150.00
  Business Income:        $57,700.00
  Capital Gain:           $25,000.00
  = Gross Income:         $254,450.00

  − Above-Line Deductions: $3,600.00
  = AGI:                  $250,850.00

DEDUCTIONS
  Standard Deduction (single): $14,600.00
  Itemized Deductions:    $31,200.00
  Deduction Used:         $31,200.00 (itemized)
  = Taxable Income:       $219,650.00

TAX CALCULATION
  Ordinary Taxable Income: $191,350.00
  Ordinary Tax:            $38,966.50
  LTCG + Qualified Div:   $28,300.00
  LTCG Tax:               $4,245.00
  − Credits:              $0.00
  = Tax Liability:        $43,211.50

  − Taxes Withheld:       $14,280.00
  = Tax Due:             $28,931.50