So that's why I've never understood the whole buzz about them.
Anyway they are 30 per clip -> 300 for ten clips. just tell me for what gun you bought them. plus 100 for delivery. as for the coat, let say this is 100 yen - it does not offer additional protection, it's just covering the temperature and it's 'aluminium' color, so you shouldn't be visible from top.
Getting into the position will take one hour if you're willing to take infiltration test at (4) or two hours at (3). If you fail you just raised attention enough that it will close your way there for this day. (the effect will wear out with another change of security). if you glitch - we'll probably have some combat. From the top of the tank to the center of the facility will be some 300 meters.