These prices are based on a neutral economy. Which means that object has neither decreased or increased in price.
This is what I got when doing jobs with a Tempest Transport (285 capacity) and a Bergen Backpack (140 capacity)
I will keep on editing this post when I have done more jobs.
Uranium: 400k <-- Need heli
Ruby: 250k (Need helicopter for this one, I used Little bird which has 90 capacity).
Golden Transport: 600+k (This one is quite hard since you need weapons to kill all of the AI that protects the convoy).