Questions: In the table below, what is the Marginal Cost of the 30th unit of output? Output Total Cost Marginal Cost 0 100 - 10 120 2 20 160 4 30 230 Select an answer and submit. a 6 b 7 c 8 d 70

In the table below, what is the Marginal Cost of the 30th unit of output?

Output Total Cost Marginal Cost
0 100 -
10 120 2
20 160 4
30 230

Select an answer and submit.
a 6
b 7
c 8
d 70

Transcript text: In the table below, what is the Marginal Cost of the 30th unit of output? \begin{tabular}{|ccc|} \hline Output & Total Cost & Marginal Cost \\ \hline 0 & 100 & - \\ 10 & 120 & 2 \\ 20 & 160 & 4 \\ 30 & 230 & \\ & & \\ & Full text description \\ \hline \end{tabular} Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 6 b 7 c 8 d 70