Answer:
the private cost of the 10,000th gallon is $2.25
Step-by-step explanation:
The computation of the private cost is shown below:
Private marginal cost is
= Social marginal cost - External cost
= $3.5 - $1.25
= $2.25
hence, the private cost of the 10,000th gallon is $2.25
We simply applied the above formula so that the correct value could come
And, the same is to be considered