An interest-rate swap with these features: start date 1/1/2022, maturity is five years, the notional principal is $100 million, payments occur every six months, the fixed-rate payer pays a rate of 9.05%, and receives LIBOR, while the floating-rate payer pays LIBOR and receives 9%. Now suppose that at a payment date, the applicable LIBOR is at 6.5% How much does the fixed-rate payer pay assuming day count conventions do apply :

a. $4487808

b. $4550138

c. $4525000

d. $4710958