Task 1: Post Contract- Clients' Perspective (15 marks, 500 words total) Compare and contrast two key post contract control methods. b a. The purpose and process of a typical monthly financial statement/ cost report prepared by the Quantity Surveyor employed by the client during the construction phase of the building project. The pupose and process of the 'Cost Value Reconciliation' undertaken by the Constractor's Quantity Surveyor during the construction phase of the building project.