Problem $1.[20$ Marks$]$ Show the stack with all activation record instances and the symbol table with dynamic scoping, when execution reaches at line $15$ in the following skeletal program.

$```$

void fun$1()$

$\{$

float a;

fun$3()$;

$....$

$\}$

void fun$2()$

$\{$

int b $=1$;

int c;

if$($b$==10)$

$\{$

int k $=5$;

$\}$

$...$

$\}$

void fun$3()$

$\{$

float d;

fun$2()$;

$...$

$\}$

void main$()$

$\{$

char i$,$ j$,$ k$,$ m;

fun$1()$;

$....$

$\}$

$```$