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Daily Challenge — October 29, 2026

cost accounting · mixed

Overbrook Defense Ltd. is a mid-sized defense contractor specializing in the production of ruggedized tactical communication systems for government and military clients. With rising overhead and increased production activity, management wants to perform a full profitability analysis and determine the break-even point to guide strategic planning for the upcoming fiscal year.

Correct Answers

net Income

$9,801,800.00

break Even Sales

$1,604,806.32

break Even Units

1,929

contribution Margin Per Unit

506

Step-by-Step Solution

MIXED PROBLEM — Contribution Margin + Break-Even

CONTRIBUTION MARGIN INCOME STATEMENT:
  Sales (21,300 units × $832.00)         $17,721,600.00
  Less: Variable Costs (21,300 × $326.00) $6,943,800.00
  ─────────────────────────────────────────────────────────
  Contribution Margin                                   $10,777,800.00
  Less: Fixed Costs                                     $976,000.00
  ─────────────────────────────────────────────────────────
  Net Income                                            $9,801,800.00

Per Unit:
  CM per Unit = $832.00 − $326.00 = $506.00
  CM Ratio    = $506.00 ÷ $832.00 = 60.82%

BREAK-EVEN ANALYSIS:
  Break-Even Units = Fixed Costs ÷ CM per Unit
  Break-Even Units = $976,000.00 ÷ $506.00 = 1928.8538 → 1929 units (rounded up)

  Break-Even Sales = Fixed Costs ÷ CM Ratio
  Break-Even Sales = $976,000.00 ÷ 60.8173% = $1,604,806.32