deadline in 1 hour please answer it as soon as possible ty .

5. A government is considering building a train station (1) and/or a harbor (H) in two cities A and B. The table below shows the present value of costs and benefits associated with each project in million dollars (Tx: train station to city A. Ta: train station to city B. Ha harbor to city A, He: harbor to city B): TA 8 HA 30 38 TH 10 Present Value of Costs Present Value of Benefits 24 40 16 19 a (5 points) Which one of these four projects ranks first according to the net benefit criterion b. (5 points) Which one of these four projects ranks first according to the benefit/cost ratio. c. (5 points) Suppose that the government has allocated a total of 45 million dollars to cover for the costs of these projects. Moreover, suppose that the goverment can invest in any number of these projects but, due to political reasons, they have to invest in at least one project in each city. Under these conditions, what is the maximum present value of total benefits the government can obtain by investing in these projects? (Assume that projects are not repeatable)