§ Mrs. Chalkerasked the Secretary of State for Social Services what is the average length of life of an invalid three-wheeler.
§ Mr. Alfred MorrisIn normal circumstances an invalid three-wheeler remains in service for seven or eight years.
§ Mrs. Chalkerasked the Secretary of State for Social Services what is the average annual cost, including depreciation, to public funds of the average three-wheeler.
§ Mr. Alfred MorrisI am writing to the hon. Member.