section $.$data

menu db $\text{'}1.$ Add product', $10,\text{'}2.$ Update product quantity', $10$

db $\text{'}3.$ Display product', $10,\text{'}4.$ Average inventory level', $10$

db $\text{'}5.$ Exit', $10,$ 'Enter option: $\text{'},0$

newline db $10,0$

msg$\_$add$\_$product db 'Enter product name: $\text{'},0$

msg$\_$input$\_$quantity db 'Enter quantity: $\text{'},0$

msg$\_$input$\_$price db 'Enter price: $\text{'},0$

msg$\_$success db 'Operation successful', $10,0$

msg$\_$invalid$\_$option db 'Invalid option', $10,0$

section $.$bss

option resb $1$

input$\_$buffer resb $20$ ; Buffer for user input

current$\_$product resb $26$ ; Buffer for the current product

section $.$text

global $\_$start

$\_$start:

; Display menu

mov eax, $4$

mov ebx, $1$

mov ecx, menu

mov edx, $92$ ; Total length of the menu string

int $0$x$80$

; Read user input

mov eax, $3$

mov ebx, $0$

mov ecx, option

mov edx, $1$

int $0$x$80$

; Print newline

mov eax, $4$

mov ebx, $1$

mov ecx, newline

mov edx, $1$

int $0$x$80$

; Process user input

mov al$,[$option$]$

cmp al$,\text{'}1\text{'}$

je add$\_$product

cmp al$,\text{'}2\text{'}$

je update$\_$product$\_$quantity

cmp al$,\text{'}3\text{'}$

je display$\_$product

cmp al$,\text{'}4\text{'}$

je calculate$\_$average$\_$inventory

cmp al$,\text{'}5\text{'}$

je exit$\_$program

; Invalid option

jmp invalid$\_$option

add$\_$product:

; Prompt for product name

mov eax, $4$

mov ebx, $1$

mov ecx, msg$\_$add$\_$product

mov edx, $19$ ; Length of the prompt string

int $0$x$80$

; Read product name

mov eax, $3$

mov ebx, $0$

mov ecx, input$\_$buffer

mov edx, $20$

int $0$x$80$

; Display success message

mov eax, $4$

mov ebx, $1$

mov ecx, msg$\_$success

mov edx, $21$

int $0$x$80$

; Restart menu

jmp $\_$start

update$\_$product$\_$quantity:

; Prompt for product quantity

mov eax, $4$

mov ebx, $1$

mov ecx, msg$\_$input$\_$quantity

mov edx, $16$ ; Length of the prompt string

int $0$x$80$

; Read product quantity

mov eax, $3$

mov ebx, $0$

mov ecx, input$\_$buffer

mov edx, $20$

int $0$x$80$

; Display success message

mov eax, $4$

mov ebx, $1$

mov ecx, msg$\_$success

mov edx, $21$

int $0$x$80$

; Restart menu

jmp $\_$start

display$\_$product:

; Prompt for product details $($not implemented$)$

mov eax, $4$

mov ebx, $1$

mov ecx, msg$\_$add$\_$product

mov edx, $19$ ; Length of the prompt string

int $0$x$80$

; Read product ID or details $($not implemented$)$

mov eax, $3$

mov ebx, $0$

mov ecx, input$\_$buffer

mov edx, $20$

int $0$x$80$

; Display success message

mov eax, $4$

mov ebx, $1$

mov ecx, msg$\_$success

mov edx, $21$

int $0$x$80$

; Restart menu

jmp $\_$start

calculate$\_$average$\_$inventory:

; Logic to calculate and display average inventory $($not implemented$)$

; Display success message

mov eax, $4$

mov ebx, $1$

mov ecx, msg$\_$success

mov edx, $21$

int $0$x$80$

; Restart menu

jmp $\_$start

invalid$\_$option:

; Display invalid option message

mov eax, $4$

mov ebx, $1$

mov ecx, msg$\_$invalid$\_$option

mov edx, $16$ ; Length of the error message

int $0$x$80$

; Restart menu

jmp $\_$start

exit$\_$program:

; Exit the program

mov eax, $1$

xor ebx, ebx

int $0$x$80$ fix my code