Hex Address	Label	Instruction
100	If,	LOAD X
101		SUBT Y
102		SKIPCOND 400
103		JUMP Else
104	Then,	LOAD X
105		ADD X
106		STORE X
107		JUMP Endif
108	Else,	LOAD X
109		SUBT X
10A		STORE Y
10B	Endif,	Halt
10C	X,	Dec 12
10D	Y,	Dec 20

Execute the above program.

a) List the hexadecimal code for each instruction.

b) Draw the symbol table.

c) Fill in the blanks with correct values for registers PC and AC, and the contents in memory locations X, and Y, after each instruction is executed starting from the first instruction.