41.   The cost has yet to be determined, and plans are preliminary.

42.   The higher costs have trimmed profits, adding to companies costs.

43.   Though labor costs have risen, commission fees paid to travel agents have fallen as more fliers buy tickets over the Internet.

44.   Those costs would have to be footed by users of the system, principally airlines.

45.   While the cost has yet to be calculated, rough government estimates show it likely will run to billions of dollars.

46.   Prohibitive medical costs have political ramifications, too.

47.   As the price of gas has risen, so has the cost of transporting food to the capital, and price rises have been passed along to consumers.

48.   But interest-rate costs will have to be taken over by the budget.

49.   But it seems illogical that the cost has to be passed on to the consumers.

50.   But as cities have grown, so has their cost to the environment, said Arnoldo Jose Gabaldon, the congress chairman.