A bucket has to top and bottom diameter of $40\; cm$ and $20 \;cm $ respectively . The volume of the bucket if its depth is $12 \;cm$ is _____ $ cm^3$

Question

$(A) 8792 \;cm^3\\(B)\;8972\;cm^3\\(C)\;8279\;cm^3\\(D)\;8927\;cm^3 $