2021 Gauss 8 Problem 10

The digits of 2021 can be rearranged to form other four-digit whole numbers between 1000 and 3000. What is the largest possible differerence between two such four-digit whole numbers?

\textbf{(A)}\ 1188\quad \textbf{(B)}\ 1098\quad \textbf{(C)}\ 1080\quad \textbf{(D)}\ 2088\quad \textbf{(E)}\ 999

If there are no answer choices shown, enter a numerical answer.

Full credit to this problem is given to the CEMC, you may view all Gauss contests here.