"An oil and gas company is considering whether to begin drilling
a new oil field. The company will need to pay $4.6 million as an
initial investment in order to extract the oil. The company will
operate the field for a total of 5 years, during which its annual
profit will be $3,344,000. During the 6th year, the company will
not operate or gain any revenue from the oil field, but it will
need to pay $8,990,000 in environmental remediation...