A New Business Computer Will Generate Net Income of $1,000

A new business computer will generate net income of $1,000 this year,$800 next year,$400 the year after that,and nothing thereafter.Assume that each year's income is received at the end of the year.What is the maximum amount a firm would be willing to pay for the computer?

A) more than $2,200
B) $2,200
C) $1,000
D) between $1,000 and $2,200
E) less than $1,000