Purple corporation bonds mature in 13 years, have a 7.0% annual coupon rate (paid semi-annually), and a !000 par value. the bonds are callable in 4 years at a call price of $1080. a. assume the current price of this bond is $1130, what is the yield to maturity the yeild to call and current yield. b. what would you be willing to pay for this bond if you require a 6.1% rate of return on similar investments? c. would you purchase the bond for $1130 if you required rate of return was 6.1% yes or no and why?