-Refer to the Above Figure $\mathrm { Q } _ { 2 }$

-Refer to the above figure.Diseconomies of scale exist

A) over the entire range of output.
B) from output $\mathrm { Q } _ { 2 }$ to
$\mathrm { Q } _ { 5 }$ .
C) up to output $\mathrm { Q } _ { 2 }$ .
D) after output $\mathrm { Q } _ { 5 }$ .