WDV: Depreciation charged on opening WDV each year at fixed rate. Amount decreases yearly. Standard for Income Tax Act.
Year
Opening WDV
Depreciation
Closing WDV
Depreciation Calculator — FAQ
WDV vs SLM — What's the difference?
WDV: Rate applied on opening balance each year. Amount decreases yearly. For Income Tax. SLM: Equal depreciation every year on original cost. For Companies Act (accounting).