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Variation Margin Calculator

What does absorbing an uncosted variation cost in margin?

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Calculate what absorbing an uncosted variation does to your gross margin — and what to charge to protect it.

Inputs

Original job value ex GST (A$)

Original gross margin (%)

Variation scope cost (materials + labour, A$)

Amount you'll invoice for variation (A$)

Your shop rate (A$/hr)

What this calculates

Impact of an absorbed variation on job margin, and the charge needed to maintain your original margin percentage.

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