Wickets continued to fall - Clarke taking 3-26 - and the Windies were barely helped when a rain shower reduced their overallowance to 41, with only nine runs ticked off.
The chancellor told the BBC that, with the personal tax allowance being raised "rapidly", it would have eventually overtaken the over-65s allowance anyway.
Ch Insp Andrew Mason, of Suffolk Police, said it has been important to tackle the issue as one can of super-strength beer can put drinkers over the recommended daily allowance.