“Could you please let me know when the below figure referenced in your response was calculated (and if possible, send a copy of the report)? 

[…] In previous information releases, particularly regarding the cost of services to the Wairarapa for any ‘Unitary’ analysis, Greater Wellington has applied multiple formulas for estimating the expenditure applied to the Wairarapa area. 

The estimate of the cost of services (rating impact) for Wairarapa, based on apportionment of Group activity expenditure including overheads, is $40 million (excl. GST) ($30 million, excluding overheads).  

The apportionment of Group activity expenditure is based on officers’ estimate and review, considering factors including location of staff, assessment of effort and knowledge of programmes. […]”