PASCAL 2019 Problem 22

The integer 2019 can be formed by placing two consecutive two-digit positive integers, 19 and 20 , in decreasing order. What is the sum of all four-digit positive integers greater than 2019 that can be formed in this way?

Answer Choices
A. 476 681
B. 476 861
C. 478 661
D. 468 671
E. 468 761