FERMAT 2019 Problem 10

The digits 2,3,5,7, and 8 can be used, each exactly once, to form many five-digit integers. Of these integers, N is the one that is as close as possible to 30\:000 . What is the tens digit of N ?

Answer Choices
A. 2
B. 5
C. 3
D. 8
E. 7