I need help with this question .

1. Show the execution stages of the following instructions. Assume no forwarding 10 12 13 14 4 6 lw $t0, 0(Ss0) addi $s0, $s0, 8 sw $t1, 0($s0) sw $to, 4($s0) 2. Show the execution stages of the following instructions. Assume forwarding 10 12 13 14 4 lw to, 0($s0) lw $t1, 4($s0) addi $s0, $s0, 8 sw $t1, 0($s0) sw $t0, 4($s0) 3. How much more efficient in percent is forwarding for this sequence of instructions? (please show your work)