If you found this interesting, I would recommend taking a look at https://www.astrobotic.com/configure-mission, another "space travel pricing page" - this one gives tweakable parameters that change the price, which is nice.
Sidenote: It's absolutely amazing that we can now get a satellite orbiting the Moon for $200k.
Well, it's a hell of a lot more than just a pretty website and speculation - they've got NASA contracts worth tens of millions and have reserved a Falcon 9 launch for late 2016.
I agree - there's no guarantee they can achieve their target even with all of that - but the fact that they've gotten much closer than others is still extraordinary.
Sidenote: It's absolutely amazing that we can now get a satellite orbiting the Moon for $200k.