6. if you expect to receive payment of $500 in two years or $400 in four years and $700 in five years how much can you borrow against this amount today assuming a 5% interest rate compounded annually

hand written notes step-by-step is better for my understanding

If you expect to receive payments of $500 in 2 years, $400 in 4 years and $700 in 5 years how much can you borrow against this amount today assuming a 5 % interest rate compounded annually? 6