§ Mr. Rookerasked the Chancellor of the Exchequer how much revenue is obtained from income tax on employees in respect of the following employer-provided facilities: (a) creche, (b) shops with subsidised prices, (c) dining rooms, (d) gymnasia, (e) car parks, (f) sports facilities and (g) travel concessions; and if he will make a statement outlining changes in revenue practice in assessing such benefits since 1979.