A government is considering undertaking one or more construction projects. The estimated marginal cost and benefit of each project are given in the table.ProjectMarginal Cost ($M)Marginal Benefit ($M)1$8$11211133181742823Refer to the above table and information. What is the total cost and total benefit of projects 1, 2, and 3?
A. Total cost is $37 million and total benefit is $41 million.
B. Total cost is $24 million and total benefit is $27 million.
C. Total cost is $65 million and total benefit is $66 million.
D. Total cost is $18 million and total benefit is $19 million.
Answer: A
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