asked the Chancellor of the Exchequer if he will list in the Official Reportthe total revenue from taxation

The prices shown in the following table would be those prevailing in 1979 if the prices of such items had increased in line with the movement of the retail prices index.obtained; and what would be the effects on the prices of typical items.

The last substantive increase in the tobacco duty was in April 1977; the last for alcoholic drinks was in January 1977.The following information is based on the retail price index for December 1979:on gambling in the financial years beginning April 1977 and 1978, together with his estimate for 1979, at constant 1979 prices.

The information is:

	£million
1977–78	385
1978–79	375
1979–80 (estimate)	395

There is no special price index for betting and gaming, and conversion to average 1979 prices has been made using the retail price index—all items.