AHSME 1999 Problem 11

The student locker numbers at Olympic High are numbered consecutively beginning with locker number $1$. The plastic digits used to number the lockers cost two cents apiece. Thus, it costs two cents to label locker number $9$ and four centers to label locker number $10$. If it costs $137.94 to label all the lockers, how many lockers are there at the school?$\textbf{(A)}\ 2001 \textbf{(B)}\ 2010 \textbf{(C)}\ 2100 \textbf{(D)}\ 2726 \textbf{(E)}\ 6897$