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What drives Chicago Rivet & Machine Co.’s return on equity?

ROE is five filed business factors multiplied together.

DuPont return on equity factor treeReturn on equity branches into tax burden, interest burden, operating margin, asset turnover, and the equity multiplier.Return on equity−6%Tax burden92%net income ÷ pretax incomeInterest burden98%pretax ÷ operating incomeOperating margin−4%operating income ÷ revenueAsset turnover1.20×revenue ÷ average assetsEquity multiplier1.20×average assets ÷ average equityAs of 2025-12-31 · 2 SEC filing sourcesBuy Like Buffett · buylikebuffett.com
DuPont source inputs
InputValueFiscal yearSource
−$1.1MFY2025
  • 10-K · FY 2025Filing detailsAccession 0000019871-26-000004 · filed Mar 24, 2026
Income before tax−$1.2MFY2025
  • 10-K · FY 2025Filing detailsAccession 0000019871-26-000004 · filed Mar 24, 2026
Operating income−$1.2MFY2025
  • 10-K · FY 2025Filing detailsAccession 0000019871-26-000004 · filed Mar 24, 2026
$27.9MFY2025
  • 10-K · FY 2025Filing detailsAccession 0000019871-26-000004 · filed Mar 24, 2026
Ending assets$23.3MFY2025
  • 10-K · FY 2025Filing detailsAccession 0000019871-26-000004 · filed Mar 24, 2026
Beginning assets$23.4MFY2024
  • 10-K · FY 2024Filing detailsAccession 0000019871-26-000004 · filed Mar 24, 2026
  • 10-K · FY 2024Filing detailsAccession 0000950170-25-046656 · filed Mar 28, 2025
$18.8MFY2025
  • 10-K · FY 2025Filing detailsAccession 0000019871-26-000004 · filed Mar 24, 2026
$20MFY2024
  • 10-K · FY 2024Filing detailsAccession 0000019871-26-000004 · filed Mar 24, 2026
  • 10-K · FY 2024Filing detailsAccession 0000950170-25-046656 · filed Mar 28, 2025
Source: · event Dec 31, 2025 · retrieved Oct 16, 2026 · annual-row source set
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