Coding help. PLease revise the code below.

$.$data

prompt$1$: $.$asciiz "Please enter the first integer: $"$

prompt$2$: $.$asciiz "Please enter the second integer: $"$

prompt$3$: $.$asciiz "Please enter a math function among $+,-,*,$ or $/$: $"$

output$\_$add: $.$asciiz "Integer $1+$ Integer $2="$

output$\_$sub: $.$asciiz "Integer $1-$ Integer $2="$

output$\_$mul: $.$asciiz "Integer $1*$ Integer $2="$

output$\_$div: $.$asciiz "Integer $1/$ Integer $2="$

error$\_$msg: $.$asciiz "Invalid function! Please enter $+,-,*,$ or $/$: $"$

$.$text

main:

# Prompt for and read the first integer

li $v$0,4$

la $a$0,$ prompt$1$

syscall # prompt for the first integer

li $v$0,5$

syscall

move $s$0,$ $v$0$ # move the first integer to $s$0$

# Prompt for and read the second integer

li $v$0,4$

la $a$0,$ prompt$2$ # load address of prompt$2$

syscall # prompt for the second integer

li $v$0,5$

syscall

move $s$1,$ $v$0$ # move the second integer to $s$1$

# Prompt for and read the math function

li $v$0,4$

la $a$0,$ prompt$3$ # load address of prompt$3$

syscall # prompt for the math function

li $v$0,12$

syscall

move $t$0,$ $v$0$ # move the character to $t$0$

# Branch based on the selected function

beq $t$0,\text{'}+\text{'},$ perform$\_$add

beq $t$0,\text{'}-\text{'},$ perform$\_$sub

beq $t$0,\text{'}*\text{'},$ perform$\_$mul

beq $t$0,\text{'}/\text{'},$ perform$\_$div

# Invalid function error message

li $v$0,4$

la $a$0,$ error$\_$msg # load address of error$\_$msg

syscall # print error message

j exit # exit the program

perform$\_$add:

add $t$1,$ $s$0,$ $s$1$ # Integer $1+$ Integer $2$

li $v$0,4$

la $a$0,$ output$\_$add

syscall

move $a$0,$ $t$1$

li $v$0,1$

syscall

j exit

perform$\_$sub:

sub $t$1,$ $s$0,$ $s$1$ # Integer $1-$ Integer $2$

li $v$0,4$

la $a$0,$ output$\_$sub

syscall

move $a$0,$ $t$1$

li $v$0,1$

syscall

j exit

perform$\_$mul:

mult $s$0,$ $s$1$ # Integer $1*$ Integer $2$

mflo $t$1$

li $v$0,4$

la $a$0,$ output$\_$mul

syscall

move $a$0,$ $t$1$

li $v$0,1$

syscall

j exit

perform$\_$div:

div $s$0,$ $s$1$ # Integer $1/$ Integer $2$

mflo $t$1$

li $v$0,4$

la $a$0,$ output$\_$div

syscall

move $a$0,$ $t$1$

li $v$0,1$

syscall

j exit

exit:

# Exit the program

li $v$0,10$ # syscall for exit

syscall