2. What will be the value of the destination operand after each of these instructions? var2 WORD 1000h, 2000h, 3000h, 4000h var3 SWORD -16, -42 var4 DWORD 12345 MOV AX, var2 MOV AX, [var2 + 4] MOV AX, var3 MOV AX, (var3 - 2] MOV AX, LENGTHOF var2 MOV AX, SIZEOF var3 mouc 04 3. Write instructions that subtract val4 from val2