It starts at 50 and increases by 100 per level
Code:1-2: 50 2-3: 150 3-4: 250 4-5: 350 5-6: 450 6-7: 550 7-8: 650 8-9: 750 9-10: 850 10-11: 950 11-12: 1050 12-13: 1150 13-14: 1250 14-15: 1350 15-16: 1450 16-17: 1550 17-18: 1650 18-19: 1750 19-20: 1850