Consider the following program: In each case YOU MUST SHOW ALL OF YOUR WORK proc main $\{$ proc A: $\{$ proc B; $\{$ int x$,$ a; x :$=2$; a:$=8$; call C; print x; $\}($end B$)$ proc C; $\{$ int z; x :$=4$; z :$=7$; print a; $\}($end C$)$ int a; x :$=3$; z :$=5$; a:$=6$; call B; print x; $\}($end A$)$ proc D; $\{$ proc E; $\{$ int x$,$ z; x :$=5$; z:$=11$; call F; print x; $\}($end E$)$ proc F; $\{$ proc G; $\{$ print z; x:$=8$; call A; print x; $\}($end G$)$ print x; call G; x:$=7$; $\}($end F$)$ int x$,$ b; x :$=12$; call E; print x; $\}($end D$)$ int x$,$ z; x:$=1$; z :$=9$; call D; print x; $\}($end main$)($a$)(6$pts$)$ What is the program output assuming static scoping rules are employed? $($b$)(6$pts$)$ What is the corresponding output when dynamic scoping rules are employed? $($c$)(5$pts$)$ List all of the units $($proc$\text{'}$s$)$ that proc C can call $($assuming static scoping$).($d$)(4$pts$)$ Specify the referencing environment of proc F $($assuming static scoping$)$ That is$,$ list the variables that are visible to proc F $($e$)(4$pts$)$ Specify the referencing environment of proc F $($assuming dynamic scoping$)$ That is$,$ list the variables that are visible to proc F Consider the following program:

In each case YOU MUST SHOW ALL OF YOUR WORK

$```$

proc main

$\{$

proc A:

$\{$

proc B;

$\{$int x$,$ a;

x:$=2$

a:$=8$;

call C;

print x;

$\}($end B$)$

proc C;

$\{$ int z;

x:$=4$;

z:$=7$;

print a;

$)($end C$)$

int a;

x:$=3$;

z:$=5$;

a:$=6$;

call B;

print x;

$\}($end A$)$

proc D;

$\{$

proc E;

$\{$ int x$,$ z;

x:$=5$;

z:$=11$;

call F;

print x;

$```$

$```$

$\}($end E$)$

proc F;

$\{$

proc G;

$\{$ print z;

x:$=8$;

call A;

print x;

$\}($end G$)$

print x;

call G;

x:$=7$;

$\}($end F$)$

int x$,$ b;

x:$=12$;

call E;

print x;

$\}($end D$)$

int x$,$ z;

x:$=1$;

z :$=9$;

call D;

print x;

$\}($end main$)$

$```$

$($a$)(6$pts$)$ What is the program output assuming static scoping rules are employed?

$($b$)(6$pts$)$ What is the corresponding output when dynamic scoping rules are employed?

$($c$)(5$pts$)$ List all of the units $($proc$\text{'}$s$)$ that proc C can call $($assuming static scoping$).$

$($d$)(4$pts$)$ Specify the referencing environment of proc F $($assuming static scoping$)$ That is$,$ list the variables that are visible to proc F

$($e$)(4$pts$)$ Specify the referencing environment of proc F $($assuming dynamic scoping$)$ That is$,$ list the variables that are visible to proc F