31.   The rise brings benefits as well as perils and could prove a boon for American consumers.

32.   The race has proved a boon to consumers.

33.   The strong deutsche mark is proving a boon for companies and countries looking to borrow on the international markets.

34.   The trial has proven a boon to virtually every television station and network that has given it comprehensive attention since the proceeding began in late January.

35.   World War II proved a boon to the fledgling company, which grew rapidly by supplying electronics for the military.

36.   Yet Greenspan noted that the amount of trading has increased substantially since then, proving a boon for brokerages, the official said.

37.   Yet neither of those much-celebrated offerings have proved a boon to investors.

38.   A continued weakness in the currency has also proved a boon to exporters.

39.   And it turns out that the terrorist attacks, by raising new concerns about safe havens, have actually proven a boon for the dollar.

40.   But the Bank of Japan also cautioned in its monthly report that corporate optimism has yet to prove a boon to the overall economy.