(begin{array}{c|c}
text{Unit of output} & text{Table cost}\
hline
1 & 20 \
2 & 32 \
3 & 42 \
4 & 48 \
5 & 50 \
end{array})
in the above table, the marginal cost of the 3rd unit of output is
text{Unit of output} & text{Table cost}\
hline
1 & 20 \
2 & 32 \
3 & 42 \
4 & 48 \
5 & 50 \
end{array})
in the above table, the marginal cost of the 3rd unit of output is
-
A.
12 -
B.
6 -
C.
10 -
D.
2 -
E.
9