Can i get explanations as well?

if its okay ?

Thanks

Question 4: question 4 .pos Ox100 ld $a, r1 ld (ri), r1 ld $1,r2 ld (ri, r2,4), r2 ld (r1, r2,4), r3 halt .pos Ox1000 a: . long 0x2000 b: long 0x200c 1 .pos Ox2000 long Ox1 . long ox2 . long Ox1 . long 0x3 . long Ox3 . long Ox1 . long Ox3 . long Ox4 What is the value in r3 after the program executes? (a) 1 (b) 2. (c) 3 (d) 4 (e) 5 (f) 6 (g) 7 0% Bonus question If the line ld $a, ri was changed to ld $b, r1, what would be the value in r3 after the program executes? (a) 1 (b) 2 (c) 3 (d) 4 (e) 5 (f) 6 (g) 7 (h) 8 (i) None of the above. *