31.   Jackson declined to say how much that event had raised, explaining that not all the costs had been calculated.

32.   Killian said it is impossible to predict how consumers will react to a clean-air incentive program, so his staff did not attempt to calculate the costs.

33.   Many of the firefighters and rescue workers who rushed into the World Trade Center inferno without calculating the cost.

34.   Many prefer this to learning how to fold napkins and calculate the cost of ingredients.

35.   Ms. Coppin said she had never calculated the cost of the Brooklyn undertaking, though she says it would probably be in the hundreds of thousands of dollars.

36.   Officials calculating the costs of treatment are confronting a crisis of unprecedented scale, and the way forward has yet to be hammered out.

37.   Officials from the Federal Emergency Management Agency said that they had not yet calculated the cost of the storms.

38.   On Tuesday, U.N. legal experts will meet with countries likely to support the Sierra Leone tribunal to explain how start-up costs have been calculated.

39.   Placing a dollar value on the benefits of avoiding damage from climate change is an even more difficult exercise than calculating the costs.

40.   Scoppetta said city officials had not calculated the cost of changing the pension formula, an adjustment that would probably cover police officers as well.