Answer:
b. the change in total costs from producing one more unit of output.
Explanation:
The marginal cost is the cost that incurred for generating one more additional unit of output
It could be computed as shown below:
Marginal cost = Change in total cost ÷ change in quantity
Therefore as per the above explanation, the option b is correct
And, the same is to be considered
Thus, all the other options are incorrect
