You are given information on the following alternative cash flow streams. Assuming an interest rate of 8% p.a. which alternative cash flow stream has the lowest future value at the end of year 7?

Group of answer choices

$20,000 per year, at the end of each year, for the next 7 years.

$50,000 at the end of year 1 and $70,000 at the end of year 2.

$100,000 today.

$160,000 at the end of year 5.