mocro 8051 please solve it with clear band write

Q30. Find the content of register A after the following is executed. (a) MOV A,#56H SWAP A RRA RRA (b) MOV A,#39H CLRC RL A RL A (c) CLRC MOV A#4DH SWAP A RRCA RRCA RRC A (d) SETBC MOV A,#7Ah SWAPA RLCA RLCA Q31 Show the code to replace the SWAP code (a) Using the rotate right instructions (b) Using the rotate left instructions