How to say “Who's paying for the extra infrastructure this development needs?” in Japanese

In Japanese

この開発(かいはつ)で追加(ついか)のインフラが必要(ひつよう)になるけど、その費用(ひよう)は誰(だれ)が出(だ)すの？

Kono kaihatsu de tsuika no infura ga hitsuyō ni naru kedo, sono hiyō wa dare ga dasu no?