Using the following expected interest payments, cost of debt = 5%, and tax-rate = 21%, discount the year 4 expected payment back to time 0 (today).

Expected interest year 1 = 50; year 2 = 35; year 3 = 20; year 4 = 10; 5 = 0

Options:

9.31

6.50

13.65

10.11