The arrows on the two spinners shown below are spun. Let the number N equal 10 times the number on Spinner A, added to the number on Spinner B. What is the probability that N is a perfect square number?
Answer Choices
A. \dfrac{1}{16}
B. \dfrac{1}{8}
C. \dfrac{1}{4}
D. \dfrac{3}{8}
E. \dfrac{1}{2}