Employee B: No, our stupid online expense system kept giving me a cryptic error.
Employee A: Yup, that EOM app is an (n-1) tier system...
Boss: I need you to fix your time charges for last week. You entered 45 hours instead of 4.5 hours on Wednesday.
Subject: Must've been a fat-finger. Too bad our accounting system can't catch that obvious error. It's just another (n-1) tier waste of code.