The Following Data Are for a Series of Increasingly Extensive

Multiple Choice

The following data are for a series of increasingly extensive ?ood-control projects. $$\begin{array} { | l | c | c | } \hline & \text { Total Cost per Year } & \text { Total Benefit per Year } \\\hline \text { Plan } A = \text { Levees } & \$ 10,000 & \$ 16,000 \\\hline \text { Plan } B = \text { Small Reservoir } & 24,000 & 36,000 \\\hline \text { Plan } C = \text { Medium Reservoir } & 44,000 & 52,000 \\\hline \text { Plan } D = \text { Large Reservoir } & 72,000 & 64,000 \\\hline\end{array}$$ Plan C entails

A) marginal bene?ts in excess of marginal costs.
B) fewer spillovers than either Plan A or Plan B.
C) an overallocation of resources to ?ood control.
D) an underallocation of resources to ?ood control.