sum-of-the-years' digits (SYD) method of depreciation

A form of accelerated depreciation which means that in the early years of an asset's life there is more depreciation expense than under the straight-line method. However, in the later years of the asset's life there will be less depreciation than the straight-line method.

- Used in product/service costing, budgeting, and variance analysis.
- Used to support pricing decisions and profitability analysis by cost behavior and drivers.

- Example: The costing team uses **sum-of-the-years' digits (SYD) method of depreciation** to allocate costs and analyze margins by product line.

- Why it matters: Improves cost accuracy, supports better pricing and budgeting, and strengthens performance measurement.