Company X is a subsidiary of a large multinational group, Group Y. Group Y has an extensive range of businesses in the country in which X operates. X is going to be demerged from Y, and the demerger agreement requires X to set up pension arrangements for its employees, which should be broadly similar to the defined benefit pension scheme operated by Y. X has very little in-house resource or expertise for pension operations. Two years after the scheme was established, an actuarial investigation is being carried out into the funding position of the scheme, and the surplus / deficit is being calculated. (0) Outline the data that is needed for this investigation. [6] Outline the checks that would be performed on the data. [4]