21.   Books must be sold at a price well above the actual cost of producing one more copy.

22.   Accounting rates are the prices set by governments for completing international phone calls, and have by all telling been far higher than actual costs.

23.   All funds need to recapture actual operating costs, the sales commission for the salesmen, and the salaries of those involved in the funds.

24.   But as carriers rush to lower premiums and build market share, some are dropping prices below actual costs, thereby endangering their financial solvency, insurance professionals warn.

25.   But education officials say that until the state begins funding public schools to cover their actual costs, they are going to have to seek other funds.

26.   But insurance officials are already raising red flags about the deregulation, saying some carriers may be dropping prices below actual costs, risking financial insolvency.

27.   But the actual cost, Wilensky said, is extremely difficult to predict.

28.   But the companies do not begin to learn their actual costs until the next June or July.

29.   But the incumbent phone giants protested that the rate system was unfair and that the prices they were allowed to charge were in some cases below their actual costs.

30.   But the Pentagon has raised the possibility the actual cost could be even higher.