Give stream of consciousness and then the final answer. What is the sum of all 5 digit numbers which can be formed with the digits 0,1,2,3,4 without repetation?
Options:
(A) 2599980
(B) 235500
(C) 923580
(D) 765432
(E) 765434
10(11111)*4! - 10(1111)3! = 2599980
The final answer: (A).