2.2 your company is a 1% working interest partner in an off shore lease that is projected to have the following operating income and investment profile, plot the commutative net cash flow curve. What is the maximum exposure your company expects to incur and when will that happen? When do you anticipate pay out will occur?

year	Oper income M$	Invest M$
0		2000
1	0	1000
2	2000	3000
3	4000
4	3200

2.3 calculate the internal rate of return (IRR)for the project in problem 2.2 assuming mid-year discounting