-Refer to the Above Figure $P _ { 1 }$ To $P _ { 2 }$

-Refer to the above figure.Suppose this industry was perfectly competitive and then merged into one monopolistic firm.The monopoly would

A) raise price from $P _ { 1 }$ to
$P _ { 2 }$ .
B) reduce output from $\mathrm { Q } _ { 3 }$ to
$\mathrm { Q } _ { 1 }$ .
C) reduce output from $\mathrm { Q } _ { 2 }$ to
$\mathrm { Q } _ { 1 }$ and raise price from
$\mathrm { P } _ { 3 }$ to
$\mathrm { P } _ { 4 }$ .
D) raise price from $P _ { 1 }$ to
$\mathrm { P } _ { 4 }$ .