Dr. Ruth is going to borrow $8,700 to help write a book. The loan is for one year and the money can be borrowed at either the prime rate or the LIBOR rate. Assume the prime rate is 9 percent and LIBOR 0.5 percent less. Also assume there will be a $75 transaction fee with LIBOR (this amount must be added to the interest cost with LIBOR). a. What is the effective interest rate on the LIBOR loan