The subi (subtract immediate) instruction does not exist as an instruction in MIPS. subi ste, $t1, 8 # Reg[Ste] = Ree Stij - 8 Which of the following is the reason why? (Select 1) The same operation can be performed with the addi Instruction because the immediate field is a 2's complement value Pseudo instructions are useless. All arithmetic instructions must be R-type. The immediate field must be a signed value Consider the following code: .data array: .word 0,1,2,3,4,5,6,7,8,9 .text li $to, 44 li St1, 100 li St2, 20 la $se, array What is the value in register $t1 after executing the following instruction? (Select 1) lw $t1, 8($50) 8 100 O address of array O 7 2