3. (15 pts.) Complete the following MIPS code. Please note that the program has base address 1004. addi $s0, \# The program has base address #1004 and this is saved in \$\$0 #$ zero is a register that always \# equals zero addi $s1, \# this is the address of variable a addi $s2 # this is the address of variable b addi $s3 \# this is the address of variable c addi $s4 \# this is the address of variable d[0]