please make it correctly it's important

12. how many fields (domains) is The machine instruction of the MIPS R-type instruction divided into A 2 D6 13.[ 3] Which register is the Rs of the MIPS R instruction "add $ so, $ 51, $ to "0) A $50 A A D) Not sure 14. Which field (field) of the MIPS R instruction indicates the specific function of the instruction () (A) OpCode Op B Operand RS Shamt Function code Func 15. how many fields (domains) is the MIPS J-type machine instruction divided into