JW Inc. is about to sell a new issue of debt. The maturity of the debt is expected to be 20 years. Interest rates in the market place are as follows: BONDS Government of Canada 10 year bonds Government of Canada 20 year bonds 10 year corporate bonds 20 year corporate bonds BOND YIELDS 4%. 8% 5% 9% Which of the following coupon rates would be most appropriate for the company's new issue? a) 8% c) 5.5% d) 4.5%