Given the following MIPS instructions, convert them into both machine code and the hexadecimal equivalent: add $s0, Ss1, Stl a. i. Machine code: ii. Hexadecimal: b. sub Ss4, Ss0, Sto i. Machine code: ii. Hexadecimal: c. addi $s2, St0, 150 i. Machine code: ii. Hexadecimal: i. Machine code: ii. Hexadecimal