Nebraska, the home of the AMC, changed its license plate scheme. Each old license plate consisted of a letter followed by four digits. Each new license plate consists of three letters followed by three digits. By how many times is the number of possible license plates increased?
Answer Choices
A. \dfrac{26}{10}
B. \dfrac{26^{2}}{10^{2}}
C. \dfrac{26^{2}}{10}
D. \dfrac{26^{3}}{10^{3}}
E. \dfrac{26^{3}}{10^{2}}