The single cycle implementation of MIPS is as shown below. Answer the following questions with reference to $$beq $S$1,$ $S$2,8$H$$ instruction. Assume that the contents of the registers S$1=10$ H$,$ S$2=10$H$,$ and PC $=16$H$,$ pointing to the instruction under consideration.

i$.$ What is the addressing mode of the instruction? $[1]$

ii$.$ Which part of the instruction format, address of S$1$ and S$2$ are stored?