I think in the first example it's easier to calculate based on the time spent vs the salary + overheads of the employee(s) dealing with the issue. If something

I think in the first example it's easier to calculate based on the time spent vs the salary + overheads of the employee(s) dealing with the issue. If something took up one hour of my day and I could spend a week one-off to reduce that to 0 hours a day, that's a no brainer.