obs	OUTPUT	COST
1	5.1	38.6
2	10.2	44.8
3	15.3	48.2
4	20.4	48.8
5	25.5	51.4
6	30.6	52
7	35.7	54.8
8	40.8	59.4
9	45.9	70
10	51	85
11	56.1	102.2