<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo iSothebys iyindlu yesine endala kunazo zonke emhlabeni esebenza ngokuqhubekayo, enezindawo ezingu-90 emazweni angu-40.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yalesi sigwebo ithi ISothebys iyindlu yesine endala kunazo zonke emhlabeni esebenza ngokuqhubekayo, futhi ibhizinisi lobuciko elikhulu kunawo wonke emhlabeni ngokuthengiswa komhlaba wonke ngo-2011 okungu 5.8 billion. 