複式 ふくしき簿記 ぼきじゃなかったです
fukushikibokijanakattadesu

Noun
Desu Copula

The polite, past negative form of 複式簿記

1. Wasn't double-entry bookkeeping.; Didn't use double-entry bookkeeping.

Past/Perfective
Negative
Polite
Casual Register