What is the present value of a stream of cashflows that pays $1,000,000 in year 1, $1,600,000 in year 2, $800,000 in years 3 and 4, and $500,000 in year 5, if you have a 7% discount rate?

$3,951,928

$10,686,729

$4,634,579

$4,392,523