To ask the Secretary of State for Work and Pensions what the average cost to Jobcentre Plus is of supporting clients on (a) Pathways to Work, (b) Workstep and (c) New Deal for Disabled People into (i) work and (ii) sustained work defined as 26 weeks in respect of clients diagnosed with (A) mental health conditions, (B) musculoskeletal diseases and (C) visual impairment. (315047)