$1$ text $2$ start:

# Initialization

$11a,0$

$11$ al$,100$ # accumulator

$11s1,4$ # counter

$10$op:

addi a$0,$ a$0,1.$

jal ra$,$ a$\_$function

addi $s1,51,-1$

bnez s$1,1$oop

mv $s2,$ al

# End of the program

$11$ a$7,10$

ecall

a$\_$function:

add al$,$ al$,$ a$0$

ret

After this code executes, what will be the value stored in register $a1?$

$104$

None of these

$4$

$110$

$100$