The Following Information Is for Four Highway Programs of Increasing

The following information is for four highway programs of increasing scope.All figures are in millions of dollars.The data indicate that:

A) there is no highway program which is economically justifiable on the basis of cost-benefit analysis.
B) the marginal cost and marginal benefit of Program A are $2 and $9 respectively.
C) the marginal cost and marginal benefit of Program C are $12 and $21 respectively.
D) the marginal cost and marginal benefit of Program A cannot be determined.