what was the reaction of Washington Otis on seeing the blood stain on the floor?explain.

After seeing the blood stain on the floor, Washington Otis quickly declared that pinkerton's stain remover and paragon detergent could remove this persistent stain. And before the hosukeeper could clean it, he himself sat down on his knees n started cleaning the blood stain. You should not confuse because most of the places it is written that stain was removed by mr.otis and not by Washington Otis It is clear from the story