-Refer to the Above Figure $\mathrm { Q } _ { 1 }$

-Refer to the above figure.An unregulated natural monopolist would choose

A) output rate of $\mathrm { Q } _ { 1 }$ and price
$P _ { 2 }$ .
B) output rate $\mathrm { Q } _ { 1 }$ and price
$\mathrm { P } _ { 5 }$ .
C) output rate $\mathrm { Q } _ { 3 }$ and price
$\mathrm { P } _ { 3 }$ .
D) output rate $\mathrm { Q } _ { 4 }$ and price
$P _ { 1 }$ .