$4.(19$ Points$)$ Consider the following assembly program,

$```$

TITLE factorial

INCLUDE Irvine$32.$inc

$.$DATA

$.$ CODE

main PROC

xor edx,edx

push $5$

call Factorial

pop ebx

mul ebx

call WriteDec

call Crlf

exit

main ENDP

; Calculate a factorial

Factorial PROC

push ebp

mov ebp,esp

mov eax,$[$ebp$+8]$

cmp eax,$1$

ja L$1$

mov eax,$1$

pop ebp

ret

L$1$:

dec eax

push eax

call Factorial

pop ebx

mul ebx ; EDX:EAX $=$ EAX $*$ EBX

pop ebp

ret

Factorial ENDP

$.$ END main

$```$

$($factorial$.$asm$)$

Answer the following questions based on the above 'factorial' program.

a$)[4$ Points$]$ Why STACK OVERFOW might occur in the above 'factorial' program?

$[$ANSWER$]$

b$)[5$ Points$]$ List the statements $($in line numbers$)$ specifying the terminating condition of the above 'factorial' program? What is the terminating condition of the above 'factorial' procedure?

$[$ANSWER$]$