Every EEOC complaint I have been involved with has been because we had to follow the union rules in regard to seniority. If you create a job for someone with a disability a higher senior person has the right to bid on it.
Its called dimensional pricing. If the weight of the box isn't proportional to the size, aka too much packing. You are charged based on the weight for that size box should be. Weight rarely comes into play in transportation costs but capacity of a trailer/airplane sure does
Back in the 80's when I was an unload sup. I was working with a new employee unloading a pickup trailer told me he previously worked for the company. I asked what did you do there? Change the meter sticker from 1.15 to 11.15 with a ink pen. After investigating sure enough that was their practice. Accounting back billed them for somewhere around 50K
(Casey notice the correct usage of There and Their and I didn't have to cooperate with anyone to get a number)