Can someone please explain part B?

Problem 2 (8 pts), At some point in the execution of a program, registers- ,r-r-and- values 50, 40, 30, 20 and 10, respectively. Show the contents of registers RA, RB, RZ, RY, RM and R7 in Figure 5.8 at the end of each clock eycle as some instructions below are fetched and execute 2. (0) SW (b) OR R6, 100(R7) (R7)+100) [RG]: store word S.d ;[R7] [R4] OR 5 Porto R7, R4, #5