Based on the pipeline design with forwarding unit: 1) lw $t0, 4($50) 2) add $t3, $t1, $t2 3) sub $t4, $t2, $t0 lw $t1, 8($80) 5) add $t1,$t0, 14 How many clock cycle do we need to execute this code (assume it is a full program)? Select one: O a. 9 O b. 10 Oc.5 Od. 6 O e. 11 Assume A is an array and x is a variable. A and x are associated to registers $50 and $t0 respectively. Which of the following C++ code is equivalent to: addi $t1, $t0, 2 sll $t1,$t1, 2 add $S1, $50, $t1 lw $t3, 0($S1) sw $t3, 12($80) Select one: A[3]=A[2+x1) A[2+x]=A[31: A[12]=A[2+x] O A[12]=A[4+xli A[B]=A[4+x]: Based on the pipeline design with forwarding unit: 1) lw $t0, 4($50) 2) add $t3, $t1, $t2 3) sub $t4, $t2, $t0 lw $t1, 8($80) 5) add $t1,$t0, 14 How many clock cycle do we need to execute this code (assume it is a full program)? Select one: O a. 9 O b. 10 Oc.5 Od. 6 O e. 11