I think in a lot of cases it’s ok to bake in some of the extra cost people incur by using services in excess of what is normal. Like mail routes that are 20 miles of dirt road. In the case of rural mail baking in that cost would probably look like a frequency difference.
I think in a lot of cases it’s ok to bake in some of the extra cost people incur by using services in excess of what is normal. Like mail routes that are 20 miles of dirt road. In the case of rural mail baking in that cost would probably look like a frequency difference.