費用 ひよう たい効果 こうかじゃありませんでした
hiyōtaikōkajārimasendeshita

Noun
Desu Copula

The polite, past negative form of 費用対効果

1. Wasn't cost-effective.; Didn't have a good cost-benefit ratio.

Past/Perfective
Negative
Polite
Terminal Form