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ACCA Applied Knowledge · Management Accounting · Flexible budgets

Which cost would remain unchanged in total when a fixed budget is flexed from 4,000 units to 4,800 units, assuming the new level is within the relevant range?

Straight-line depreciation of factory equipment stays the same in total because it is a fixed cost within the relevant range. Direct materials, sales commission and piece-rate labour all vary with activity, so they would increase when the budget is flexed to 4,800 units.

  1. ADirect materials
  2. BStraight-line depreciation of factory equipmentCorrect
  3. CSales commission paid at 5% of revenue
  4. DPiece-rate direct labour

Explanation

Straight-line depreciation is a fixed cost, so its total does not change with activity within the relevant range. Direct materials, commission and piece-rate labour all vary with output or sales and would be flexed upward.

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