Please only answer part B

Assume the value of registers and memory locations given below. Each part of this problem starts with this setup. MIPS is a big-endian machine RegisterValue (decimal Memory Address (decimal) Content (decimal 10 12 R1 R2 R3 R4 36 32 28 24 -4 50 20 -14 16 a) (6 pts) Show the contents of R1, R2, and R3 after this instruction: and SR1, SR2, SR3 Value (decimal) Register R1 R2 R3 b) (4 pts) Show the contents of R2 and R3 after this instruction is executed subi $R4, $R2, -20 Register Value (decimal R2 R3