I know this isn't the main point of your exercise but a reusable Falcon 9 puts double the payload mass to LEO over a Soyuz. So despite a greater retail cost to

I know this isn't the main point of your exercise but a reusable Falcon 9 puts double the payload mass to LEO over a Soyuz. So despite a greater retail cost to launch, its retail payload mass cost to orbit is definitely cheaper. https://en.wikipedia.org/wiki/Comparison_of_orbital_launch_systems https://en.wikipedia.org/wiki/Comparison_of_orbital_launch_s...