They also 'save' money by jamming people into noisy open office formats. This is the CFO's way of looking at it; it's a data point, but not the big one. Overw

They also 'save' money by jamming people into noisy open office formats. This is the CFO's way of looking at it; it's a data point, but not the big one. Overwhelmingly the issue will boil down to material productivity, not so much 'cost'. Whichever mode of working is more productive is definitely the 'best' option, whether or not it saves or costs a few beans.