求教另外一道逻辑题

The price the goverment pays for standard weapons purchased form military contractors is determined by a pricing method called "historical costing". Historical costing allows contractors to protect their profits by addding a percentage increse, based on the current rate of inflation, to the previous year's contract price.

which of the following statements, if true, is the best basis for a criticism of historical costing as an economically sound pricing method ofr military contracts?

正确答案是

the government might continue to pay for past inefficient use of funds.

 这句话怎么翻译呢？

谢谢