Suppose that there are three power-generating plants,all of which generate emissions.The table summarizes the cost of emission reduction for each firm given five different levels of pollution: $\begin{array}{lllllr}
\text { Tons of smoke emitted per day } & 4 & 3 & 2 & 1 & 0 \
\text { Total abatement cost, firm A } & 0 & \$ 14 & \$ 30 & \$ 50 & \$ 75 \
\text { Total abatement cost, firm B } & 0 & \$ 20 & \$ 45 & \$ 80 & \$ 120 \
\text { Total abatement cost, firm C } & 0 & \$ 25 & \$ 60 & \$ 100 & \$ 150
\end{array}$
What tax,in whole dollars per ton,would have to be charged to reduce smoke to 5 tons per day?

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The Answer of Suppose that there are three power-generating plants,all of which generate emissions.The table summarizes the cost of emission reduction for each firm given five different levels of pollution: $\begin{array}{lllllr}
\text { Tons of smoke emitted per day } & 4 & 3 & 2 & 1 & 0 \
\text { Total abatement cost, firm A } & 0 & \$ 14 & \$ 30 & \$ 50 & \$ 75 \
\text { Total abatement cost, firm B } & 0 & \$ 20 & \$ 45 & \$ 80 & \$ 120 \
\text { Total abatement cost, firm C } & 0 & \$ 25 & \$ 60 & \$ 100 & \$ 150
\end{array}$
What tax,in whole dollars per ton,would have to be charged to reduce smoke to 5 tons per day?

Suppose That There Are Three Power-Generating Plants,all of Which Generate