On reaching his room he entire broke (a) down, and became a prey for the most (b) violent agitation. The vulgarity of those twins, and (c ) the gross materialism of Mrs Otis, was (d) extremely annoying, but what really distress

Following words have been edited in the passage :On reaching his room he \Large{\bcancel{entire} \:entirely} entire entirely broke down, and became prey to the most violent \Large{\bcancel{agitation} \:agitations} agitation agitations .The vulgarity of those twins, and the gross materialism of Mrs. Otis,\Large{\bcancel{was} \:were} was were naturally extremely annoying, but what really \Large{\bcancel{distress} \:distressed} distress distressed him most was that he had been unable to wear the suit of mail.

1190 is your answer! the way you get it is 1400 - 15% =1190 : )