Answer and Explanation:
The computation is shown below:
As we know that the variable cost is the cost that changed with the production
So the variable cost arise from TC should be
VC=0.5Q^2+25Q
= 0.5 Ă— (30)^2+25 Ă— 30
= 1200
And, Â
AVC is
= VC Ă· Q
= 1200 Ă· 30
= 40