-Refer to the Above Figure $P _ { 2 }$
B)

-Refer to the above figure.Total cost for this firm equals

A) $P _ { 2 }$ .
B) $\mathrm { P } _ { 3 }$ .
C) $\mathrm { 0P } _ { 2 }$
$\mathrm { bQ } _ { 1 }$ .
D) $\mathrm { 0P } _ { 3 }$ c
$\mathrm { Q } _ { 1 }$ .