If the construction of a bridge project creates benefits of $20 billion while the cost is $15 billion to construct, this indicates the project a. should be built. b. should not be built. c. will decrease the welfare of society. d. is counter-productive.

In the maximum amount because it is clearly stated that such a bridge will create a benefit that topple it investment by $5 million, it's arguably a decent investment. this can be seen to grow the advantages in more years to come back per se investment isn't a get rich quick scheme. And also lots of roads are vital for the said country and its economic success which aids within the connection of this bridge to certain businesses and communities; growing the support for employment and new homes. All of our improvements will ultimately ensure our roads still improve journeys and unlock the potential for brand new jobs and houses.