Standard costs

3 important questions on Standard costs

How to calculate total standard cost per unit

Formula:  standard Quality or hours X standard price or rate = standard cost per unit

How to calculate Labour Quantity Variance (LQV)

Labour Quantity Variance (LQV) [time/DL hours] —>
(Actual Hours x Standard Rate) - (Standard Hours x Standard Rate)

Explain variances + formula for Total variance

Variances are differences between total actual costs and total standard costs.


Total Variance = Material variance + Labour variance + Overhead variance


  • Actual costs < Standard costs = Favourable variance
  • Actual costs > Standard costs = Unfavourable variance

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