Problem 4 (15 points) Assume the following register contents: $t0 = 0xCCCCCCCC, $t1 = 0x87654321 What is the value of register St2 (as a hexadecimal number) after each of the following sequences of MIPS instructions is executed using the register values shown above? 1) sll $t2, $t0, 4 or $t2, $t2, $tl 2) sll $t2, $t0, 4 andi $t2, $t2, 0xFFFF 3) srl $t2, $t0, 3 andi $t2, $t2, 0xFFFF