Tom enters into a four-year interest rate swap where the floating rate resets annually. The notional amount of the swap is 100 the first year, 150 the second year, 250 the third year, and 300 the fourth year. Determine the swap interest rate given the following spot rates: Time Spot Rate 1 3.0% 2 3.5% 3 4.0% 4 4.5% Possible Answers A 4.7% B 4.8% 4.9% D 5.1% E 5.2%