At least once a year the entrepreneur gives the works council written general information on staff numbers and the categories of staff and on the social policy he pursued towards them in the past year, in particular on matters within arts 27, 28 and 29, specified quantitatively so that the effect on separate units and job groups can be seen; he also states his expectations for staffing and for the social policy of the coming year (31b(2)).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.