Riddle: Agent NAME_1 is attempting to solve a puzzle and needs your help. She has been given several passcode guesses, but each guess has only one digit in the correct position. Can you use the provided information to determine the correct 3-digit passcode?

Guesses:

Passcode: 896 --- WRONG
Passcode: 983 --- WRONG
Passcode: 246 --- WRONG
Passcode: 843 --- WRONG
Passcode: ??? --- CORRECT
What is the correct 3-digit passcode?