Quiz 4:

1) Define Short Run:  
    The short run is the period of time in which at least one input cannot be changed and at least one input can be changed.

2) If TC= 2q²+3q+18 find FC and VC.
FC=TC (when q=0)=2(0)²+3(0)+18 =18.
VC=TC-FC=2q²+3q+18 -18=2q²+3q