Archive · With Solution

Daily Challenge — October 11, 2026

tax accounting · tax formula

Jonathan Alexander is a self-employed petroleum engineer based in Tulsa, Oklahoma, who earns a salary from a part-time consulting contract with an energy firm in addition to running his own independent geotechnical consulting practice. During 2024, he received interest income from a high-yield savings account, qualified dividends from a diversified equity portfolio, and recognized a long-term capital gain from the sale of appreciated stock he had held for several years. He pays significant mortgage interest and state and local taxes on his primary residence, supporting an itemized deduction strategy.

Correct Answers

A G I

$234,050.00

gross Income

$238,550.00

tax Liability

$39,400.00

taxable Income

$202,850.00

refund Or Due Amount

$15,920.00

refund Or Due Direction

Balance Due

Step-by-Step Solution

TAX FORMULA — Jonathan Alexander (SINGLE)

GROSS INCOME
  Wages:                  $142,300.00
  Interest Income:        $4,100.00
  Ordinary Dividends:     $1,750.00
  Business Income:        $65,400.00
  Capital Gain:           $25,000.00
  = Gross Income:         $238,550.00

  − Above-Line Deductions: $4,500.00
  = AGI:                  $234,050.00

DEDUCTIONS
  Standard Deduction (single): $14,600.00
  Itemized Deductions:    $31,200.00
  Deduction Used:         $31,200.00 (itemized)
  = Taxable Income:       $202,850.00

TAX CALCULATION
  Ordinary Taxable Income: $177,000.00
  Ordinary Tax:            $35,522.50
  LTCG + Qualified Div:   $25,850.00
  LTCG Tax:               $3,877.50
  − Credits:              $0.00
  = Tax Liability:        $39,400.00

  − Taxes Withheld:       $23,480.00
  = Tax Due:             $15,920.00