where is the ball inbounded?

[ttownterp]

Curious about this call,Sixth grade travel league.Team A is inbounding the ball under their own basket,called for 5 second violation,team B inbounds and gets the ball past half court into their own,when it is brought the refs attention that the clock was running during the five second call.He stops play and adds five seconds on the clock,,where does team b restart play,hope thats clear enough,,all happened in a two point game with less then 30 secs to play,,Thanks