This is the 15161st most frequent Korean word.
방송사에
"To the broadcasting company."
In this sentence, '방송사에' is used to indicate the location or target entity (the broadcasting company) to which the suggestion is directed.
나는 새로운 프로그램에 대해 방송사에 제안했다.
I suggested a new program to the broadcasting company.
Here, '방송사에' serves to specify the entity being addressed for the salary negotiation request.
그가 방송사에 연봉 협상을 요청했어요.
He requested a salary negotiation from the broadcasting company.
In this context, '방송사에' is used to indicate the recipient ('to' the broadcasting company) of the information being provided.