やみ価格 かかく協定 きょうていではありませんでした
yamikakakukyōteidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 闇価格協定

1. Was not a dark price agreement.; Was not a secret price agreement.

Past/Perfective
Negative
Polite
Formal Register