Below is the building cost per lvl along with the combine stats corresponding to that level; 1: 250t | 15,000,000 2: 500t | 59,999,940 3: 875t | 150,000,000 4: 1.3q | 300,000,000 5: 1.8q | 525,000,000 6: 2.5q | 787,500,000 7: 3.3q | 984,375,000 8: 5q | 1,181,250,000 9: 8q | 1,417,500,000 10: 14q | 1,842,750,000 total cs: 1.84b