<prompt>  During root canal instrumentation, the apical constriction is violated and enlarged to a size no. 50 instrument, which of the following is appropriate treatment for this canal:Obturate with gutta-percha and surgically remove extruded excessFit a No.50 gutta-percha cone with sealer and carefully condenseFit a No.50 gutta-percha cone with sealer but dont condense so as to keep the G.P. from being pushed into the foramenReinstrument 1 mm short of the foramen to a size No.60 or larger and obturate using an appropriately sized master cone 