-In the Above Figure,what Is the Quantity of Workers That $\mathrm { Q } _ { 1 }$

-In the above figure,what is the quantity of workers that would be hired in a perfectly competitive market?

A) $\mathrm { Q } _ { 1 }$
B) $\mathrm { Q } _ { 2 }$
C) $\mathrm { Q } _ { 3 }$
D) $\mathrm { Q } _ { 4 }$