Show the stack with all activation record instances, including dynamic chains, in the following skeletal program. Main calls Sub 1, Sub1 calls Sub2 and Sube calls sub3. void sub3(z){ int x,y; z=u+v;} void sub2(y){ int y,w,x;} void sub1(y)\{ int v,w; w=2v+y;} void main()\{ int v,u;}