On a per-item basis, absolutely, but what's the number of self-service checkouts at which they faster simply by having a much larger number of kiosks? Having 10

On a per-item basis, absolutely, but what's the number of self-service checkouts at which they faster simply by having a much larger number of kiosks? Having 10 check stands open for 10 customers, each with their own employee is inefficient, but having 15 self service kiosks open isn't out of the question.