I have some free time so I thought I'd list the prices.
Prices:
Weapons in order of display:
1. Handgun- 0 exp.
2. *Sub Machine Gun- 175 exp.
3. Magnum- 200 exp.
4. Shotgun- 900 exp.
5. Assault Rifle - 800 exp.
6. *Auto Shotgun - 2,500 exp.
7. Light Machine Gun - 1,500 exp.
8. *Sniper Rifle - 1,000 exp.
9. Grenade Launcher - 2,500 exp.
10. *Gauss Rifle - 3,000 exp.
11. Rocket Launcher - 3,000 exp.
12. *Laser Cannon - 4,000 exp.
13. *Flamethrower - 4,000 exp.
14. *Turret Gun - 2,000 exp
Perks in order of display:
1. Marathon Man - 2,000 exp.
2. Marksman - 1,000 exp.
3. Assisted Aiming - 500 exp. (btw, completely useless)
4. Brawler - 5,000 exp.
5. Half Dose - 5,000 exp.
6. Overkill - 1,000 exp.
Handgun Damage - 100 exp.
Handgun Capacity - 50 exp.
Handgun Reload - 50 exp.
Magnum Damage - 400 exp.
Magnum Capacity - 500 exp.
Magnum Reload - 500 exp.
Sub Machine Gun Damage - 100 exp.
Sub Machine Gun Capacity - 200 exp.
Sub Machine Gun Reload - 300 exp.
Assault Rifle Damage - 1,000 exp.
Assault Rifle Capacity - 1,200 exp.
Assault Rifle Reload - 1,000 exp.
Light Machine Gun Damage - 2,000 exp.
Light Machine Gun Capacity - 3,000 exp.
Light Machine Gun Reload - 2,000 exp.
Shotgun Damage - 2,000 exp.
Shotgun Capacity - 1,000 exp.
Shotgun Reload - 2,000 exp.
Auto Shotgun Damage - 5,000 exp.
Auto Shotgun Capacity - 3,000 exp.
Auto Shotgun Reload - 5,000 exp.
Sniper Rifle Damage - 1,000 exp.
Sniper Rifle Capacity - 1,000 exp.
Sniper Rifle Reload - 1,000 exp.
Grenade Launcher Damage - 2,000 exp.
Grenade Launcher Capacity - 2,000 exp.
Grenade Launcher Reload - 2,000 exp.
Gauss Rifle Damage - 4,000 exp.
Gauss Rifle Capacity - 3,000 exp.
Gauss Rifle Reload - 2,000 exp.
Laser Cannon Damage - 3,000 exp.
Laser Cannon Capacity - 5,000 exp.
Laser Cannon Reload - 3,000 exp.
Rocket Launcher Damage - 3,000 exp.
Rocket Launcher Capacity - 3,000 exp.
Rocket Launcher Reload - 2,000 exp.
Turret Gun Damage - 2,000 exp.
Turret Gun Capacity - 2,000 exp.
Turret Gun Reload - 6,000 exp.
Flamethrower Damage - 4,000 exp.
Flamethrower Capacity - 5,000 exp.
Flamethrower Reload - 5,000 exp.
Handgun Special - 25,000 exp.
Magnum Special - 20,000 exp.
Assault Rifle Special - 15,000 exp.
Light Machine Gun Special - 20,000 exp.
Shotgun Special - 35,000 exp.
Grenade Launcher Special - 25,000 exp.
Rocket Launcher Special - 15,000 exp.
And I already listed health pack prices previously, starts at 8,000 exp. but after your first supply run they drop to 2,000 exp.
I'd list the levels the bosses are on but I never really payed attention and don't feel like redoing the game, sorry. Enjoy.