Order insofar as appealed from affirmed, with costs, and certified question answered in the affirmative for the reasons stated in so much of the memorandum at the Appellate Division as related to the issue of rent reduction ( 140 A.D.2d 351).
Concur: Chief Judge WACHTLER and Judges SIMONS, ALEXANDER, TITONE, HANCOCK, JR., and BELLACOSA. Taking no part: Judge KAYE.