Kate dies on 25 September 2000 leaving an estate valued at €51,000.
Estate value €51,000
Threshold (2000) €50,790
Excess (Tax due) €210
Marginal relief is due here as it is within the limit of €51,826 (that is €50,790 / 0.98).
This limit is calculated as follows: Relevant threshold / 0.98.