Complete the reduced row echelon form for the matrix shown. What are the values of a, b, c, d, and e?
A) a=2, b=0, c=4, d=1, e=3
B) a=1, b=3, c=0, d=2, e=4
C) a=0, b=1, c=2, d=3, e=4
D) a=3, b=2, c=4, d=1, e=0