#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
cost
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
9000
cumulative
1500
3500
6000
9000
12500
16500
21000
26000
31500
37500
44000
51000
58500
66500
75000
84000
Notes (in thousands) necessary to purchase a specific number of scenes