AMC 8 1990 Problem 6

Which of these five numbers is the largest? $\text{(A)}\ 13579+\frac{1}{2468} \text{(B)}\ 13579-\frac{1}{2468} \text{(C)}\ 13579\times \frac{1}{2468}$ $\text{(D)}\ 13579\div \frac{1}{2468} \text{(E)}\ 13579.2468$