21.   Both Kelly and Greenwald say supply will affect the prices of both DVD players and DVD movies.

22.   According to Peter Kopiepz, manager at Alaska Holidays, where you stay depends on availability and does not affect the price.

23.   All kinds of variables affect the price.

24.   All those factors have also affected diesel prices.

25.   But because Wal-Mart is so large and powerful, its move is bound to increase competition, affecting prices in an already low-margin business.

26.   But bond prices, which rose for the day, may have also affected stock prices to some extent for nearly four hours.

27.   But despite questions on the impact of the extra oil from the reserve, the announcement on Friday did affect prices.

28.   But it is unclear how these promotions affect airline ticket prices, because fares tend to be determined by traffic levels and competitive pressures on individual routes.

29.   But the fundamental truth is that the United States does not have enough oil to affect prices meaningfully.

30.   But, a lawyer for El Paso, William S. Scherman, said the expiration of the contract has not affected prices.