Toapplythesalescomparisonapproachforsettinghotelrates，weobserveratesoffourhotelroomswithdifferentattributes(A，B，C，D，E–RMB;B，C，D，F–RMB;B，C，D，E–RMB;B，C，D–RMB).WhatisthevalueofattributeA?ABCD