Granite Chair/Stool Cutout

With one intervention, a simple cube becomes a chair and the cut-out remainder becomes a stool: an evocation in granite of the living room easy chair. I envision a grouping of these functional sculptures scattered around a courtyard or building lobby.
Approximate dimensions 3' Ht.x 6'x 2' ( 2 pieces)
Price - $8,000 (not including delivery and installation)