R. Ovadia Yosef on Having Conversations in the Restroom (1 Shevat)

שו"ת יביע אומר אורח חיים ח:א 1 Shevat 5708 (1948)

Are we allowed to speak in the restroom, and if not, why not? How does that impact when we have a need, such as that we'll sustain a financial loss if we refuse to speak?