Another helpful fact for those who didn't have the hard numbers.

Research Per Level

Easy
1) 15
2) 20
3) 40
4) 60
5) 100
6) 160
7) 260
8) 420
9) 680

Normal

1) 20
2) 40
3) 60
4) 100
5) 160
6) 260
7) 420
8) 680
9) 1100

As you can see from Level 5 on to 9 it's the sum of the two levels before it.

[ February 20, 2004, 20:51: Message edited by: Zen ]