Burl Ives sang the song Silver and Gold and asked how do you measure its worth? We don’t know the answer on an absolute basis, but we can assay the relative worth by using, among other things, a ratio between
Burl Ives sang the song Silver and Gold and asked how do you measure its worth? We don’t know the answer on an absolute basis, but we can assay the relative worth by using, among other things, a ratio between