We have calculated it. Slides are still cheaper then digital
It takes me about 30 Minutes on a comp to sort and through out the bad stuff on a computer, but I will do the same on a 2x1meter light table within 7 Minutes
Of course, the production itself is cheaper on digital, but do you have ever calculated the time to sort thing out? And also, the quality on slides and the colours are much better. So, most of the time we are shooting still on slides & digital