It is further agreed that the approach adopted by the court of appeal in the case of  and  incorporate of nineteen eighty nine, one queens bench page eight hundred and seventy eight, is that which I should adopt, er the person which seeks to persuade me that the percentage which I should apply should be four point five percent rather than the two percent used in that case by the court of appeal, he argues  partly on the basis of er, evidence by Mr  an architect who er, with the greatest respect to him, whilst I feel quite sure his architectural abilities are of the highest quality, I feel that as an economist he is perhaps er not more reliable than any other economist, er  but er, Mr  argues that er, recent falls in house prices show that houses are not the risk free inflation proof investments which the court of appeal assumed when  and  was decided.