Assume that a government is considering a new social program and may choose to include in this program any number of four progressively larger projects. The marginal cost and the marginal benefit of each of the four projects is provided in the table.ProjectMarginal Cost ($B)Marginal Benefit ($B)A12B33C57D78Refer to the above table and information. What is the net benefit of undertaking all four projects?
A. $4 billion
B. $3 billion
C. $2 billion
D. $5 billion
Answer: A
Economics
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